The width of the United States depends on whether Alaska or Hawaii is included.
Measured from the farthest points west and east in the conterminous United States, meaning the 48 states that have a common boundary, which are West Quoddy Head, Maine, and Point Arena, California, the United States is 2,892 miles (4,656 km) wide.
Measured between the farthest points between the eastern United States and Alaska, Soldier Key, Florida, and Cape Wrangell, Alaska, the distance is 5,503 miles (8,860 km).
From Soldier Key, Florida, to Kure Island, Hawaii, the distance is 5,859 miles (9,433 km).
