Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.
missippissi
The only states that border Florida are Georgia and Alabama. No states west of the Mississippi river border Florida.
Part of the the Mexico-United States border is Demarked ( or demarcated) by the course of the Rio Grande river.
Springfield, Illinois and Frankford, Kentucky are the capitals of two states that border the Mississippi River.
The Columbia River is the border for most of Oregon/Washington states.
Is the Delaware river the western border of the state.
Canada or Mexico
The long river that is the border between the east and West United States is the Mississippi River. The Mississippi is the longest river in the United States.
Maine,
The Colorado River
The Colorado River.
The Mississippi River forms the Western border of the States of Illinois, Tennessee, and Mississippi. The Mississippi River forms the Eastern border of the States of Iowa, Missouri, Arkansas, and Louisiana.