The Answer:

West Quoddy Head, Me., is the easternmost point, located 2,507 miles from the geographic center of the United States (including Hawaii and Alaska). The westernmost point is Cape Wrangell, Alaska, which is 3,625 miles west of center.

For more information on these locations, as well as information on the points farthest south and north, see Extreme Points of the United States.

—The Editors