Canada and Mexico.
Mexico and Canada
Canada and Mexico.
No continents. Two countries: Canada and Mexico
As far as land borders, there are only two: Canada on the north and Mexico on the south.
Canada and Mexico.
Mexico and Canada
Canada has only two land borders with the US. One with the contiguous states and the other with Alaska. These are therefore the two shortest and longest borders.
Canada and Mexico share land border with the US.
Mexico and Cuba are the two Spanish-speaking countries closest to the US geographically.
britain and mexico
Alaska is a US State that borders two countries: Canada to the east and south and Russia to the west. It contains no countries.
US borders Mexico to north and Guatamala and Belize on south