Three: Belize, Guatemala, and the USA.
Guatemala and Belize.
Part of it is covered by southeastern Mexico, all of Belize and northern Guatemala.
There are 3 countries that border Mexico: The US to the north, and Guatemala and Belize to the south.
The United States and Belize are such countries.
There are three: United States, Belize and Guatemala.
Guatemala and Belize.
California, Arizona, New Mexico and Texas.
Guatemala and Belize, southeast of Mexico.
Both countries border each other, so distance would be zero.
Mexico, Belize, Honduras, and El Salvador.
mexiku Belize hondurasu & el salvadoru