List of extreme points of U.S. states and territories

Extreme points are portions of a region which are further north, south, east, or west than any other. This is a list of extreme points in U.S. states, territories, and the District of Columbia.[1]

Although many borders were initially defined by treaty or other agreement to be along a specific line of latitude or longitude, inaccuracies with surveying equipment/techniques caused the surveyed lines to deviate slightly from the true boundaries. Even as equipment/techniques improved, the initial surveyed line still remains the official border,[2] which is why the extreme points may be either side of the agreed-upon line.


State / TerritoryNorthernmost pointSouthernmost pointEasternmost pointWesternmost point
 Alabama Water:
35°00′29″N 88°12′11″W
Tennessee border at the northwest corner of the state in Pickwick Lake northwest of Waterloo


Land:
35°00′28″N 88°11′35″W
Tennessee border on an unnamed island in Pickwick Lake

 30°11′15″N 88°03′02″W
Sand Island (on which Sand Island Light sits)		 32°15′35″N 84°53′21″W[lower-alpha 1]
Georgia border on the Chattahoochee River southeast of Fort Mitchell		 31°53′38″N 88°28′25″W
Mississippi border southwest of Melvin
 Alaska[lower-alpha 2] 71°23′13″N 156°28′29″W[lower-alpha 3][lower-alpha 4]
Point Barrow[3] northeast of Utqiaġvik		 51°12′36″N 179°07′55″W
Unnamed archipelago south of Amatignak Island in the Aleutian Islands		 By direction, water:
55°16′55″N 129°58′27″W
British Columbia border on the Portland Canal[4] east of Ketchikan


By direction, land:
55°17′24″N 129°59′40″W
Camp Point, in the Misty Fjords National Monument Wilderness, east of Ketchikan

By longitude:
51°57′15″N 179°46′42″E
Pochnoi Point[5] on Semisopochnoi Island in the Aleutian Islands

 By direction:
52°55′20″N 172°26′35″E[lower-alpha 3]
Peaked Island[6] in the Aleutian Islands, west of Attu Island in the Aleutian Islands


By longitude:
51°16′15″N 179°08′51″W
Amatignak Island[7] in the Aleutian Islands

 American Samoa 11°02′46″S 171°04′26″W
Swains Island[lower-alpha 5]


Excluding disputed islands:
14°09′18″S 169°36′45″W
Faumasili Point, Olosega Island

 14°33′34″S 168°09′30″W[lower-alpha 4]
Rose Atoll[8]		 14°32′50″S 168°08′36″W
Rose Atoll		 11°03′11″S 171°05′24″W
Swains Island[lower-alpha 5]


Excluding disputed islands:
14°19′15″S 170°50′49″W
Luania Rocks, off Tutuila Island

 Arizona 37°00′13″N 110°29′25″W
Utah border west of Oljato-Monument Valley		 31°19′56.5″N 111°04′30″W
Sonora border west of Nogales		 36°59′56″N 109°02′43″W
AZ-CO-NM-UT quadripoint		 32°30′28″N 114°48′59″W
Baja California border northwest of San Luis
 Arkansas 36°29′59″N 94°21′18″W
Missouri border northwest of Bella Vista		 33°00′15″N 91°09′58″W
AR-MS-LA tripoint		 Water:
35°54′25″N 89°38′28″W
Tennessee border on the Mississippi River east of Armorel


Land:
35°53′56″N 89°38′49″W
Barfield Bar, an island in the Mississippi River east of Armorel

 36°29′58″N 94°37′04″W
AR-MO-OK tripoint
 California 42°00′34″N 122°22′41″W
Oregon border northeast of Hornbrook		 32°32′04″N 117°07′26″W
Baja California border where it meets the Pacific Ocean in Border Field State Park		 34°15′46″N 114°07′52″W[lower-alpha 1]
Arizona border on the Colorado River southeast of Parker Dam		 40°26′19″N 124°24′55″W
Sugar Loaf Island
 Colorado 41°00′12″N 107°00′02″W
Wyoming border north of Hahns Peak Village		 36°59′33″N 106°52′11″W
Southern border with New Mexico south of Chromo		 37°22′30″N 102°02′30″W
Kansas border east of Walsh		 38°16′31″N 109°03′38″W
Utah border southwest of Paradox[9]
 Connecticut 42°03′02″N 73°25′57″W
Massachusetts border north of Salisbury		 Water:
40°57′03″N 73°36′46″W
New York border in Long Island Sound south of Greenwich


Land:
40°58′51″N 73°37′47″W
Great Captain Island

 41°39′22″N 71°47′14″W
Rhode Island border southeast of Sterling		 41°06′02″N 73°43′40″W
New York border northwest of Greenwich
 Delaware 39°50′22″N 75°33′37″W
Pennsylvania border east of Beaver Valley		 38°27′04″N 75°08′23″W
Maryland border south of Williamsville		 38°27′42″N 75°02′56″W
On Fenwick Island		 39°39′44″N 75°47′20″W
Maryland border southwest of Newark
 District of Columbia 38°59′44″N 77°02′28″W
Near the intersection of E Beach Dr NW and Verbena St NW		 Water:
38°47′30″N 77°02′21″W
DC-MD-VA tripoint on the Potomac River


Land:
38°48′12″N 77°01′27″W
Western end of Oxon Hill Farm

 38°53′34″N 76°54′34″W
Intersection of Eastern Avenue NE and Southern Avenue NE		 38°56′04″N 77°07′11″W[lower-alpha 1]
DC-MD-VA tripoint on the Potomac River at Little Falls
 Florida 31°00′04″N 85°09′52″W
Alabama border north of Malone		 24°31′16″N 81°57′49″W[lower-alpha 6]
Ballast Key in the Mule Keys		 26°46′43″N 80°01′52″W
Palm Beach Shores		 30°51′59″N 87°38′06″W[lower-alpha 1]
Alabama border on the Perdido River west of Walnut Hill
Georgia 35°00′05″N 83°06′38″W
North Carolina border near GA-NC-SC tripoint		 30°21′22″N 82°03′56″W[lower-alpha 1]
Florida border on the St. Marys River south of St. George		 32°00′43″N 80°50′27″W
Tybee Island		 34°59′05″N 85°36′19″W
AL-GA-TN tripoint
 Guam 13°39′16″N 144°51′36″E
Ritidian Point		 13°14′03″N 144°38′40″E
Cocos Island		 13°35′51″N 144°57′24″E
Pati point		 13°26′45″N 144°37′06″E[lower-alpha 4]
Point Udall
 Hawaii 28°27′20″N 178°19′20″W
Kure Atoll		 18°54′40″N 155°40′52″W[lower-alpha 3]
Ka Lae, Big Island		 19°31′00″N 154°48′30″W
Cape Kumukahi, Big Island		 28°25′05″N 178°22′28″W
Kure Atoll
 Idaho 49°00′03″N 116°02′57″W
BC-ID-MT tripoint		 41°59′17″N 113°52′24″W
Utah border south of Oakley		 42°44′51″N 111°02′37″W
Wyoming border northeast of Soda Springs		 44°23′28″N 117°14′35″W[lower-alpha 1]
Oregon border on the Snake River northwest of Weiser
 Illinois 42°30′31″N 90°38′34″W[lower-alpha 1]
IL-IA-WI tripoint on Mississippi River		 36°58′14″N 89°10′15″W[10][lower-alpha 1]
Missouri border on the Mississippi River off of Angelo Towhead, an island south of Cairo		 Water:
42°29′36″N 87°01′12″W
IL-MI-WI tripoint in Lake Michigan[11]


Land:
38°46′54″N 87°29′46″W
Indiana border southeast of Russellville

 40°10′45″N 91°30′47″W[lower-alpha 1]
Missouri border on the Mississippi River west of Lima
 Indiana Water:
41°45′41″N 87°07′30″W
Michigan border in Lake Michigan north of Burns Harbor


Land:
41°45′39″N 86°06′30″W
Michigan border north of Granger

 37°46′18″N 87°57′10″W[lower-alpha 1]
Kentucky border on the Ohio River near the IL-IN-KY border		 38°52′32″N 84°47′05″W[lower-alpha 1]
Kentucky border on the Ohio River northeast of Patriot		 37°54′06″N 88°05′52″W[lower-alpha 1]
Illinois border on the Wabash River west of Mt. Vernon
 Iowa 43°30′04″N 95°14′41″W
Minnesota border northeast of Lake Park		 40°22′32″N 91°27′16″W
Missouri border southwest of Keokuk		 Water:
42°00′12″N 90°08′25″W
Illinois border on the Mississippi River east of Andover


Land:
41°59′39″N 90°08′33″W
Unnamed island in the Mississippi River east of Andover

 42°44′13″N 96°38′22″W[lower-alpha 1]
South Dakota border on the Big Sioux River southwest of Westfield
 Kansas 40°00′11″N 102°01′17″W
Nebraska border near the CO-KS-NE tripoint		 36°59′35″N 102°02′32″W
CO-KS-OK tripoint		 39°08′56″N 94°35′18″W
Missouri border on the Missouri River within Kansas City		 40°00′00″N 102°03′06″W
Colorado border near the CO-KS-NE tripoint
 Kentucky 39°08′52″N 84°44′57″W[lower-alpha 1]
Ohio border on the Ohio River north of Francisville		 36°29′50″N 88°03′12″W[lower-alpha 1]
Tennessee border in Kentucky Lake southeast of New Concord		 37°32′33″N 81°57′54″W
West Virginia border on the shore of the Tug Fork River near the KY-VA-WV tripoint		 36°33′15″N 89°34′17″W
Missouri border on the Mississippi River at the Madrid Bar in the Kentucky Bend
 Louisiana 33°01′11″N 93°55′17″W
Arkansas border northwest of Ida		 28°55′44″N 89°25′11″W
Unnamed island between Southwest Pass (a distributary of the Mississippi River) and West Bay, southwest of Port Eads		 29°54′33″N 88°48′59″W
Chandeleur Islands		 32°48′30″N 94°02′36″W
Texas border southwest of Vivian
 Maine 47°27′35″N 69°13′28″W[lower-alpha 1]
Quebec border on the St. Francis River at Estcourt Station		 42°58′29″N 70°35′57″W
Cedar Island Ledge, in the Isles of Shoals		 44°48′44″N 66°56′43″W[lower-alpha 3][lower-alpha 6]
Sail Rock, off of West Quoddy Head		 45°18′20″N 71°05′02″W
ME-NH-QC tripoint
 Maryland 39°43′23″N 78°43′33″W
Pennsylvania border northeast of Bowmans Addition		 Water:
37°53′12″N 76°14′11″W
Virginia border in Chesapeake Bay southeast of Scotland


Land:
37°54′44″N 75°53′01″W
Watkins Point, southwest of Crisfield

 38°27′05″N 75°02′57″W
Delaware border, where it meets the Atlantic Ocean		 39°16′48″N 79°29′16″W
West Virginia border southwest of Crellin
 Massachusetts 42°53′12″N 70°54′19″W
New Hampshire border in Salisbury		 41°14′21″N 70°00′39″W
Nantucket Island		 41°44′28″N 69°55′44″W
Cape Cod National Seashore in Orleans		 42°05′10″N 73°30′30″W
New York border west of Mount Washington
 Michigan Water:
48°18′20″N 88°22′07″W
Ontario border in Lake Superior north of Passage Island


Land:
48°15′46″N 88°15′46″W
Gull Islands

 41°41′46″N 84°48′22″W
IN-MI-OH tripoint		 Water:
43°35′28″N 82°07′22″W
Ontario border in Lake Huron northeast of Point Sanilac


Land:
42°58′29″N 82°25′06″W
Shore of the St. Clair River in Port Huron

 46°33′58″N 90°25′07″W[lower-alpha 1]
Wisconsin border on the Montreal River where it meets Lake Superior
 Minnesota 49°23′04″N 95°09′12″W[lower-alpha 1][lower-alpha 6]
MB-MN-ON tripoint in Lake of the Woods		 43°29′57″N 93°15′28″W
Iowa border south of Glenville		 Water:
48°00′47″N 89°29′02″W
MI-MN-ON tripoint in Lake Superior


Land:
48°00′20″N 89°29′31″W
Pigeon Point

 48°58′08″N 97°14′21″W[lower-alpha 1]
North Dakota border on the Red River of the North in St. Vincent
 Mississippi 34°59′45″N 88°53′41″W
Tennessee border north of Walnut		 30°10′27″N 89°27′48″W
Lighthouse Point, southeast of Ansley		 34°53′32″N 88°05′53″W
Alabama border on the Tennessee River northeast of Eastport		 31°15′06″N 91°39′19″W[lower-alpha 1]
Louisiana border on the Mississippi River northwest of Fort Adams
 Missouri 40°36′49″N 91°43′45″W[lower-alpha 1]
Iowa border on the Des Moines River northeast of Anson		 35°59′45″N 90°22′40″W
Arkansas border southwest of Cardwell		 36°57′33″N 89°05′57″W[lower-alpha 1]
Kentucky border on the Mississippi River northeast of Wyatt		 40°34′25″N 95°46′29″W[lower-alpha 1]
Nebraska border on the Missouri River near the IA-MO-NE tripoint
 Montana 49°00′04″N 114°23′19″W
British Columbia border northeast of Eureka in Glacier National Park		 44°21′29″N 112°50′44″W
Idaho border at a sister of Italian Peak southwest of Lima		 44°59′53″N 104°02′23″W
South Dakota border near the MT-SD-WY tripoint		 48°00′00″N 116°02′57″W
Idaho border southwest of Heron
 Nebraska 43°00′06″N 103°58′00″W
South Dakota border near the KS-SD-WY tripoint		 39°59′59.8″N 95°21′41″W
Kansas border southeast of Rulo		 40°00′00″N 95°18′30″W[lower-alpha 1]
MO-KS-NE tripoint on the Missouri River		 41°09′26″N 104°03′13″W
Wyoming border southwest of Bushnell
 Nevada 42°00′07″N 114°49′25″W
Idaho border northwest of Jackpot		 35°00′07″N 114°38′01″W[lower-alpha 1]
AZ-CA-NV tripoint on the Colorado River		 41°43′08″N 114°02′22″W
Utah border northeast of Montello		 39°16′22″N 120°00′23″W
California border northwest of Incline Village
 New Hampshire 45°18′21″N 71°05′09″W
Quebec border near the ME-NH-QC tripoint		 42°41′49″N 71°17′40″W
Massachusetts border southeast of Pelham		 42°57′44″N 70°36′10″W
Anderson Ledge, in the Isles of Shoals		 42°51′13″N 72°33′26″W[lower-alpha 1]
Vermont border on the Connecticut River northwest of Hinsdale
 New Jersey 41°21′27″N 74°41′44″W[lower-alpha 1]
NJ-NY-PA tripoint on the Delaware River		 38°55′43″N 74°56′03″W
Broadway Beach in Cape May		 Water:
40°59′50″N 73°53′37″W
New York border on the Hudson River east of Alpine


Land:
40°59′50″N 73°54′09″W
Station Rock, The Palisades

 39°37′31″N 75°33′35″W
Delaware border in the Killcohook National Wildlife Refuge southwest of Pennsville Township
 New Mexico 37°00′01″N 103°00′08″W
CO-NM-OK tripoint		 31°19′55.8″N 108°45′23″W
Sonora border near the Chihuahua-New Mexico-Sonora tripoint		 36°43′15″N 103°00′07″W
Oklahoma border northeast of Seneca		 31°19′56″N 109°03′00″W
AZ-NM-Sonora tripoint
 New York 45°00′57″N 74°49′36″W[lower-alpha 1]
Ontario border on the St. Lawrence River north of Robert Moses State Park - Thousand Islands		 40°29′46″N 74°14′51″W
Ward's Point, Staten Island		 41°04′16″N 71°51′22″W
Montauk Point, Camp Hero State Park		 Water:
42°30′00″N 79°45′45″W
Pennsylvania border in Lake Erie west of Dunkirk


Land:
42°08′22″N 79°45′43″W
Pennsylvania border west of Mina

 North Carolina 36°35′17″N 81°40′39″W
NC-TN-VA tripoint		 33°50′35″N 77°57′38″W
Cape Fear, Bald Head Island		 35°35′04″N 75°27′36″W
Rodanthe Beach, Rodanthe		 34°59′18″N 84°19′19″W
GA-NC-TN tripoint
 North Dakota 49°00′02″N 97°40′50″W
Manitoba border northwest of Neche		 45°56′07″N 96°33′49″W[12]
MN-ND-SD tripoint		 46°05′02″N 96°33′16″W[lower-alpha 1]
Minnesota border on the Bois de Sioux River northeast of Fairmount		 48°56′01″N 104°02′56″W
Montana border west of Fortuna
 Northern Mariana Islands 20°33′12″N 144°53′37″E
Farallon de Pajaros		 14°06′37″N 145°10′23″E
Puntan Pona, Rota		 16°01′30″N 146°03′53″E
Farallon de Medinilla		 20°32′25″N 144°53′11″E
Farallon de Pajaros
 Ohio Water:
42°19′24″N 80°31′11″W
OH-PA-ON tripoint in Lake Erie


Land:
41°58′38″N 80°31′10″W
Pennsylvania border where it meets Lake Erie

 38°24′12″N 82°33′04″W
West Virginia border on the shore of the Ohio River in Burlington		 41°14′59″N 80°31′07″W
Pennsylvania border north of West Hill		 39°09′22″N 84°49′13″W
Indiana border west of Elizabethtown
 Oklahoma 37°00′08″N 100°11′41″W
Kansas border north of Knowles		 33°36′57″N 94°31′31″W[lower-alpha 1]
Gunn Lake, on the Texas border near the AR-OK-TX tripoint		 35°23′37″N 94°25′52″W[lower-alpha 1]
Arkansas border on the Arkansas River east of Moffett		 36°40′32″N 103°00′09″W
New Mexico border southwest of Wheeless
 Oregon 46°17′57″N 124°01′30″W[lower-alpha 1]
Washington border on the Columbia River north of Sand Island		 41°59′32″N 118°42′27″W
Nevada border south of Fields		 45°36′40″N 116°27′48″W[lower-alpha 1]
Oregon border on the Snake River east of Imnaha		 42°48′08″N 124°36′47″W
Northwest Rock, southwest of Cape Blanco
 Pennsylvania Water:
42°30′51″N 79°45′45″W
NY-ON-PA tripoint, in Lake Erie


Land:
42°16′10″N 79°45′43″W
New York border where it meets Lake Erie

 39°43′11″N 76°59′28″W
Maryland border south of Hanover		 41°21′45″N 74°41′22″W[lower-alpha 1]
New York border on the Delaware River in Matamoras		 Water:
42°19′24″N 80°31′11″W
OH-ON-PA tripoint in Lake Erie


Land:
39°44′39″N 80°31′10″W
West Virginia border west of New Freeport

 Puerto Rico 18°30′58″N 67°05′28″W
Shacks Beach northwest of Jobos		 17°52′53″N 66°32′01″W
Isla Morillito		 18°18′44″N 65°13′16″W
Punta del Este, Isla Culebrita		 18°09′31″N 67°57′06″W
Isla Monito
 Rhode Island 42°01′08″N 71°22′53″W
Massachusetts border northeast of Cumberland		 41°08′48″N 71°35′35″W
Black Rock Point, Block Island		 41°29′51″N 71°07′14″W
Massachusetts border where it meets Rhode Island Sound		 Water:
41°18′16″N 71°54′26″W
CT-NY-RI tripoint in Block Island Sound


Land:
41°19′44″N 71°53′33″W
Connecticut border on Sandy Point Island

 South Carolina 35°12′56″N 82°23′24″W
North Carolina border north of Tigerville		 32°02′08″N 80°53′32″W[lower-alpha 1]
Georgia border on the Savannah River southwest of Hilton Head Island		 33°51′03″N 78°32′27″W
North Carolina border where it meets the Atlantic Ocean on Bird Island		 34°41′57″N 83°21′14″W[lower-alpha 1]
Georgia border in Lake Yonah southwest of Long Creek
 South Dakota 45°56′43″N 103°34′25″W
North Dakota border northwest of Ludlow		 42°28′47″N 96°28′47″W[lower-alpha 1]
Nebraska border on the Missouri River south of Dakota Dunes		 43°07′13″N 96°26′11″W[lower-alpha 1]
Iowa border on the Big Sioux River southeast of Hudson		 44°59′51″N 104°03′28″W
MT-SD-WY tripoint
 Tennessee Water:
36°40′42″N 88°04′14″W
Kentucky border in Kentucky Lake northwest of Dover


Land:
36°40′41″N 88°03′31″W
Land Between the Lakes National Recreation Area, northwest of Dover

 34°58′59″N 85°24′44″W
Georgia border west of Lookout Mountain		 36°36′43″N 81°38′49″W
Virginia border northeast of the NC-TN-VA tripoint		 35°00′16″N 90°18′38″W
Arkansas border southwest of Memphis (west of the Mississippi River)
 Texas 36°30′02″N 103°00′08″W
NM-OK-TX tripoint		 25°50′14″N 97°23′39″W[lower-alpha 1]
Tamaulipas border on the Rio Grande River south of South Point		 31°01′54″N 93°30′29″W
Louisiana border on the coast of the Sabine River northeast of Burkeville		 31°53′44″N 106°38′44″W
New Mexico border west of Prado Verde
United States Minor Outlying Islands 28°13′06″N 177°22′17″W
Sand Island, Midway Atoll		 00°22′50″S 160°00′18″W
Jarvis Island		 18°23′50″N 75°00′07″W
Navassa Island[lower-alpha 7]


Excluding disputed islands:[lower-alpha 8]
0°22′32″S 159°59′05″W
Jarvis Island

 19°18′01″N 166°35′56″E
Wilkes Island, Wake Island[lower-alpha 9]


Excluding disputed islands:
28°11′49″N 177°23′51″W
Sand Island, Midway Atoll

 Utah 42°00′06″N 111°02′48″W
ID-UT-WY tripoint		 36°59′52″N 110°28′11″W
Arizona border west of Oljato-Monument Valley		 38°09′25″N 109°02′33″W[9]
Utah border southeast of La Sal		 37°33′32″N 114°03′10″W
Nevada border west of Enterprise
 Vermont 45°01′00″N 72°50′49″W
Quebec border northwest of Berkshire		 42°43′37″N 72°27′30″W
MA-NH-VT tripoint on the shore of the Connecticut River		 45°00′49″N 71°27′54″W[lower-alpha 1]
New Hampshire border on the Connecticut River east of Beecher Falls		 Water:
44°02′42″N 73°26′17″W
New York border in Lake Champlain northwest of Bridport


Land:
44°02′50″N 73°25′27″W
Crane Point on Lake Champlain, northwest of Bridport

Virgin Islands (U.S.) 18°24′54″N 64°54′32″W
Pelican Cay off the north coast of Little Hans Lollik Island		 17°40′25″N 64°54′02″W
Southwest Point, Saint Croix		 17°45′19″N 64°33′55″W[lower-alpha 4]
Point Udall, St. Croix		 18°20′05″N 65°05′09″W
Tip Rock, off of Savana Island
 Virginia 39°27′58″N 78°20′50″W
West Virginia border northwest of Reynolds Store		 36°32′27″N 79°32′18″W
North Carolina border southwest of Danville		 38°01′37″N 75°14′32″W
Maryland border where it meets the Atlantic Ocean on Assateague Island		 36°36′03″N 83°40′31″W
KY-TN-VA tripoint, in Cumberland Gap National Historical Park
 Washington 49°00′09″N 122°12′02″W
British Columbia east of Sumas		 45°32′37″N 122°17′42″W[lower-alpha 1]
Oregon border on the Columbia River south of Reed Island State Park		 45°59′43″N 116°54′58″W[lower-alpha 1]
ID-OR-WA tripoint on the Snake River		 48°10′42″N 124°46′18″W[lower-alpha 6]
Bodelteh Islands, northwest of Beaver
 West Virginia 40°38′20″N 80°31′08″W[lower-alpha 1]
OH-PA-WV tripoint on the Ohio River		 37°12′06″N 81°40′42″W
Virginia border south of Berwind		 39°19′17″N 77°43′10″W
MD-VA-WV tripoint		 38°09′57″N 82°38′41″W[lower-alpha 1]
Kentucky border on the Tug Fork River northwest of Fort Gay
 Wisconsin Water:
47°18′35″N 90°39′17″W
Minnesota border north of the Apostle Islands in Lake Superior


Land:
47°04′51″N 90°43′46″W
Devils Island, Apostle Islands

 42°29′31″N 88°46′36″W
Illinois border west of Sharon		 Water:
45°14′10″N 86°14′58″W
Michigan border in Lake Michigan east of Newport State Park


Land:
45°23′40″N 86°45′50″W
Fish Island

 45°38′28″N 92°53′22″W[lower-alpha 1]
Minnesota border on the St. Croix River south of Benson
 Wyoming 45°00′21″N 109°06′12″W
Montana border northwest of Ralston		 40°59′41″N 110°24′41″W
Utah border west of Lonetree		 41°23′53″N 104°03′08″W
Nebraska border southeast of Albin		 45°00′03″N 111°03′16″W
Montana border at the northwest corner of the state in Yellowstone National Park

Footnotes
  1. This extreme point is on a body of water, but the extreme point on land is not listed as it is less than half a minute away
  2. Alaska uniquely straddles the 180 degree east-west meridian, which results in two different definitions of Easternmost and Westernmost points.
  3. Also the extreme point in all 50 states
  4. Also the extreme point of the US
  5. Swains Island is disputed with Tokelau
  6. Also the extreme point in the 48 contiguous states
  7. Navassa Island is disputed with Haiti
  8. In addition to Navassa Island, Bajo Nuevo Bank and Serranilla Bank, which would be the next most-eastwardly, are also disputed
  9. Wake Island is disputed with the Marshall Islands

See also

References
  1. All points otherwise unreferenced were found by manually plotting them in "Google Maps".
  2. Jacobs, Frank (November 28, 2011), "The Not-So-Straight Story of the U.S.-Canadian Border", New York Times, retrieved November 26, 2023
  3. "Point Barrow". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
  4. "Geographical Positions along the International Boundary, NAD83, O. Portland Canal (Alaska/British Columbia), Turning Point 16". International Boundary Commission.
  5. "Pochnoi Point". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
  6. "Peaked Island". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
  7. "Amatignak Island". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
  8. https://sanctuaries.noaa.gov/news/features/0209_rose.html
    Rose Atoll Designated A Marine National Monument. Sanctuaries.noaa.gov. Retrieved 14 January 2018.
  9. "Why does the eastern border of Utah have a kink in it?". Utah Geological Survey. Retrieved January 31, 2014.
  10. "Angelo Towhead". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. January 15, 1980.
  11. http://www.legislature.mi.gov/(S(crclotvx1nq5gp55re3x4b3o))/documents/mcl/pdf/mcl-2-201.pdf
  12. "North Dakota's Boundaries".
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