Missouri and Tennessee border eight states, the most of any.
Eight countries border the Persian Gulf.
montana, 48 degrees
Tennessee and Missouri both border 8 states.
Eight states.
Missouri and Tennessee are the only states to border eight others.
7
Montana
Belgium, Luxembourg, Germany, Switzerland, Italy, Monaco, Spain, Andorra are the eight countries that share a border with mainland France.
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.
Missouri & Tennessee & indeed they border each other not just once but twice
I believe it is Missouri.