Canada and Mexico.
The US.
Mexico, Canada,
Mexico and Canada
Canada and Mexico
The main countries that border the US are Canada, and Mexico.
The United States shares borders with Canada to the north and Mexico to the south. It is also surrounded by bodies of water, including the Atlantic Ocean to the east and the Pacific Ocean to the west.
Canada and the US
... Canada and Mexico?
Canada and Mexico
Canada and Mexico border the U.S.
The two countries that border the United States are Canada to the north and Mexico to the south.