Mississippi has the longest border with Alabama.
The longest highway in Alabama is Interstate 65. It stretches from the border with Tennessee almost to the border of Florida. Given that it is almost border to border, this would make it the longest one in the state.
California has the longest border with Nevada.
Alabama
Alabama whole Eastern border is the state of Georgia. It's Southern border on the East is the state of Florida.
Sacramento, California is the capital of the state that has the longest border on the Pacific Ocean
In the west, the state of Montana has the longest linear border with Canada. In the east, the state of Michigan has the longest border, including the Great Lakes.
This state is Alabama.
Florida has the longest coastline border on the Gulf of Mexico with 770 miles. In Mexico, the state of Veracruz has the longest border with the Gulf of Mexico with 463 miles.
alabama
california
Louisiana
Mexico Montana Alabama Wisconsin and Central Amercia