Length of shared U.S. border with Mexico and Canada

The United States shares a border of 5,525 miles with Canada to the north, and 1,933 miles with Mexico to the south. Alaska is the state with the longest international border, while Texas has the largest border of any state on the mainland. Michigan is the state with the third longest border, however the majority of this is on water, as the border is located on the Great Lakes.

Length of the border the U.S. shares with Canada and Mexico, by state (in statute miles)

Characteristic	Canada	Mexico
Alaska	1,538	-
Texas	-	1,241
Michigan	721	-
Maine	611	-
Minnesota	547	-
Montana	545	-
New York	445	-
Washington	427	-
Arizona	-	373
North Dakota	310	-
New Mexico	-	180
Ohio	146	-
California	-	140

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Release date

September 2010

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Region

United States

Survey time period

2010

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