515 miles
Missouri is bordered by Illinois across the Mississippi River to the east; Arkansas to the south; and and Kansas to the west.
Arkansas, Kansas, Nebraska, Illinois, Iowa, Tennessee, Kentucky and Oklahoma.
Quincy Illinois is near to Kansas City, Missouri.
The state of Missouri is bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska.
Illinois, Kansas, Missouri and Wisconsin
They do have branches in Illinois, but I believe that the main office is in Kansas City, MO.
Missouri is bordered by Iowa to the north; Illinois, Kentucky, and Tennessee across the Mississippi River to the east; Arkansas to the south; and Nebraska across the Missouri River, Oklahoma, and Kansas to the west.
Indiana, Illinois, Kansas, Missouri and Iowa.
Illinois and Missouri border one another, and therefore, there is no state in-between them. However, both Illinois and Missouri border the state of Iowa.
Minnesota, Wisconsin, Illinois, Nebraska, Kansas, Missouri
Clockwise around the state from St. Louis, in order, Missouri borders: Illinois Kentucky Tennessee Arkansas Oklahoma Kansas Nebraska and Iowa, a total of 8 states, tied with Tennessee for the most bordered.
kansas,iowa,nebraska,illinois,kentucky,tennessee,arkansas,oklahoma