The Mississippi river forms the boundary between Missouri and Illinois!
The Mississippi River forms the boundary between Illinois and Missorui
Mississippi
The Mississippi River forms the border between Missouri and Illinois.
In east-central Missouri, on the Mississippi River just south of the confluence with the Missouri River. It is about midway between Iowa and Arkansas, across the Mississippi River from Illinois.
Missouri, Illinois, and KentuckyIllinois, Missouri, Kentuckey
Illinois and Missouri
Illinois Central Missouri River Bridge was created in 1893.
Ohio
The major tributary of the Mississippi River that flows in the southeasterly direction to join the Mississippi River near St. Louis is the Missouri River. The Missouri River and the Mississippi River join at the border between Missouri and Illinois.
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.
Since Illinois and Missouri share a common border along the Mississippi River, the distance between them is zero.