The western border is the Mississippi River; the southeastern border is the Wabash River; the nothern border is 42.5 degrees north; the eastern border is 87.5 degrees west.
Ohio, Indiana & Illinois
The capital of Indiana, which is a state that borders Illinois is Indianapolis.
The Mississippi River borders Illinois on the west.
They are formed as borders because they are formed naturally.
They are formed as borders because they are formed naturally.
Lake Michigan forms the northeastern border of the State of Illinois.
Illinois has some body of water on most borders. Three bodies of water that form borders of Illinois are the Mississippi River, Lake Michigan, and The Ohio River.
Illinois
Illinois shares land borders with several other US states and one of the Great Lakes, but does not share a border with another country. It is possible, though, to travel by boat from Illinois to Canada.
Illinois borders the Mississippi River to the west.
Indiana borders Lake Michigan to the northwest, Michigan to the north, Ohio to the east, Kentucky to the south and southeast, and Illinois to the west.
Illinois does not border the Gulf of Mexico. Illinois borders Lake Michigan.