Indiana is east of Illinois. Indiana is located between Illinois and Ohio. To the east of Ohio is the state of Pennsylvania.
Illinois is bordered by Indiana to the east.
Illinois is bordered by Wisconsin Missouri to the west. Ohio is bordered by Pennsylvania to the east. Indiana is EAST of Illinois and WEST of Ohio.
Illinois is bordered by Kentucky to the southeast, and Indiana to the east.
Illinois is bordered by Indiana to the east. Indianapolis is the capital city in Indiana.
If the Springfield you are talking about is in ohio, then it is east. If it is illinois, niether.
The state of Mississippi is south of Illinois. Illinois is bordered by the Mississippi River on the west.
Pennsylvania is to the east of Illinois. Indiana and Ohio are in between them.
Montgomery, Alabama is farther east. Due south of Illinois are the states of Missouri, Kentucky, Tennessee, Arkansas, and Mississippi. Practically all of Alabama is farther east than Illinois.
The eastern border of Illinois is shared with Indiana.
east
Neither Illinois nor Iowa are East of Michigan.