It's a tie between the states of Tennessee and Missouri, which both touch 8 other states.
Missouri and Tennessee
Missouri and Tennessee.
None 2 states, Tennessee and Missouri
Both Missouri and Tennessee are bordered by 8 states. However, Tennessee is separated from Missouri and Arkansas by the Mississippi River. Tennessee does not "touch" Missouri or Arkansas. Therefore, Tennessee "touches" 6 states. Missouri does not "touch" Tennessee. Therefore, Missouri "touches" 7 states. Missouri touches 7 states and Tennessee touches 6 states.
There are seven states that are touched by the Missouri River. These states are Montana, North Dakota, South Dakota, Nebraska, Iowa, Kansas, and Missouri.
The three states that touch the Ohio and Mississippi river is Illinois, Kentucky, and Missouri.
The eight states that share boundaries with Missouri are: Arkansas, Kansas, Oklahome, Tennessee, Kentucky, Ohio, Iowa, and Nebraska.
Missouri and Tennessee both have 8 states that touch their borders.
Tennessee and Missouri touch eight other states: Tennessee borders Kentucky, Virginia, North Carolina, Georgia, Alabama, Mississippi, and Arkansas, while Missouri borders Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas, and Nebraska.
Six states touch the Tennessee border. Tennessee is bordered by the 8 states Kentucky, Virginia, North Carolina, Georgia, Alabama, Mississippi, Arkansas and Missouri. However the Tennessee border does not touch either Arkansas of Missouri. The Mississippi River is the western border of Tennessee. The Mississippi River separates Tennessee from Arkansas and Missouri. The Tennessee border touches the other 6 states.
Missouri and Tennessee touch eight states each. Tennessee touches Georgia, Alabama, Louisiana, Arkansas, Kentucky, Missouri, North Carolina, and Mississippi. Missouri borders Arkansas, Iowa, Oklahoma, Kansas, Nebraska, Illinois, Kentucky, and Tennessee.