Canada–United States border
international border between Canada and the USA / From Wikipedia, the free encyclopedia
"International Boundary" redirects here. For other boundaries between nations, see border.
The border of the United States and Canada, officially known as the International Boundary, is the longest international border in the world shared between the same pair of countries. The terrestrial boundary (including small portions of maritime boundaries on the Atlantic, Pacific, and Arctic coasts, as well as the Great Lakes) is 8,891 kilometres (5,525 mi) long, including 2,475 kilometres (1,538 mi) shared with Alaska. It is Canada's only land border.
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