Mexico and Canada
russia is the closest country and it does not touch the border of the US!!! :)
Canada in the north, and Mexico in the south.
Canada and Mexico share land border with the US.
No, Ontario has the longest border with Canada and the US.
There are 12 that share a border on land or water with Canada. From West to East: Washington Idaho Montana North Dakota Minnesota Michigan Ohio Pennsylvania New York Vermont New Hampshire Maine
The Yukon River crosses the Canada-US border, but does not form part of it.
border
Canada and Mexico share overland borders with the U.S. Alaska, Idaho, Maine, Minnesota, Montana, New York, New Hampshire, North Dakota, Vermont and Washington share a land border with Canada. Pennsylvania, Ohio and Michigan share only water boundaries with Canada. California, Arizona, New Mexico, and Texas share a land border with Mexico.
Canada and Mexico share a border with the United States.
True. Canada and The United States share a border to the north of the US, and Mexico and the US share a border to the south of the United States (US).
North America and South America share a land border with the United States.