The US shares borders with Canada and Mexico.
Mexico and Canada
Canada and Mexico are neighboring countries of the United States.
Canada and Mexico share land borders with the United States, making them the closest countries to the United States. The closest country to the US with which the US does not share a border is Russia, at the Bering Strait.
The closest southern neighbor would be Mexico.
Mexico is the southern neighbor of the U.S.
There are several neighbors to the US. There is Canada, Mexico, and Russia, although Russia is across from a small amount of water west of Alaska.
Mexico and Canada are in North America, along with the US. Mexico is south of the US and Canada is north of the US.
The US.
Our moon's nearest neighbour is us, the Earth.
There are three nouns. Canada, neighbor, and United States (abbreviated).
Canada, united states, and Mexico Canada, us. Mexico Canada, us. Mexico