Tennessee borders eight other states.
Both Hawaii and Alaska do not share borders with any other states.
Hawaii
Russia
Hawaii
Tennessee and Missouri. Tennessee shares borders with Kentucky, Virginia, North Carolina, Georgia, Alabama, Mississippi, Arkansas, and Missouri. Missouri shares borders with Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas, and Nebraska.
The US shares borders with two other states (countries) - Canada and Mexico
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Tennessee or Missouri; both share borders with eight states.
Tennessee borders eight other states: Kentucky, Virginia, North Carolina, Georgia, Alabama, Mississippi, Arkansas, and Missouri.
Tennessee shares borders with 8 other states: Alabama, Arkansas, Georgia, Kentucky, Mississippi, Missouri, North Carolina, and Virginia.
Tennessee and Missouri both border 8 states.