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The United States shares international land borders with two nations:
- The Canada–United States border to the north of the Contiguous United States and to the east of Alaska.
- The Mexico–United States border to the south.
U.S. States And Their Border States
| Serial number | State name | Bordering State |
|---|---|---|
| 1. | Alabama | Mississippi, Tennessee, Florida, Georgia |
| 2. | Alaska | None |
| 3. | Arizona | Nevada, New Mexico, Utah, California, Colorado |
| 4. | Arkansas | Oklahoma, Tennessee, Texas, Louisiana, Mississippi, Missouri |
The Answer: It is a tie. Tennessee and Missouri each share borders with eight states. Here are the states with their neighbors, listed clockwise. Tennessee: Kentucky, Virginia, North Carolina, Georgia, Alabama, Mississippi, Arkansas, and Missouri.
What is the only state that borders only one other state?
Maine
Maine is the only state to border exactly one other American state (New Hampshire).
What two United states do not share a border with any other states?
Alaska and Hawaii
Alaska and Hawaii are the only two states that do not share a border with any other part of the U.S. Alaska is surrounded by the Arctic and Pacific oceans on its North, South, and West sides.
There are 13 states that border Canada: Maine, New Hampshire, Vermont, New York, Pennsylvania, Ohio, Michigan, Minnesota, North Dakota, Montana, Idaho, Washington and Alaska.
The border separates the American states of Texas, New Mexico, Arizona, and California from the Mexican states of Tamaulipas, Nuevo León, Coahuila, Chihuahua, Sonora, and Baja California….US States That Border Mexico.
| Rank | 2 |
|---|---|
| US State | Arizona |
| Bordering Mexican States | Sonora, Baja California |
| Border Length in miles | 372.5 mi |