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Extreme Points of the United States (50 States)

Extreme point Latitude Longitude mi. km
Northernmost point: Point Barrow, Alaska 71°23' N 156°29' W 2,507 4,034
Easternmost point: West Quoddy Head, Maine 44°49' N 66°57' W 1,788 2,997
Southernmost point: Ka Lae (South Cape), Hawaii 18°55' N 155°41' W 3,463 5,573
Westernmost point: Cape Wrangell, Alaska (Attu Island) 52°55' N 172°27' E 3,625 5,833
1. From geographic center of United States (incl. Alaska and Hawaii), west of Castle Rock, S.D., 44°58' lat., 103°46' W long. If measured from the prime meridian in Greenwich, England, Cape Wrangell, Attu Island, Alaska, would be the easternmost point.

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