The state that border Ohio to the south is the state of Kentucky. The state that borders Ohio to the east is Pennsylvania.
Indiana and within the waters of Lake Michigan it also borders Michigan.
Indiana borders Michigan to the north.
My state, Ohio, is bordered by Michigan, Indiana, Pennsylvania, and West Virginia.
Michigan (MI) has land borders with Ohio, Indiana, and Wisconsin. The closest state without physically touching Michigan is Illinois. However, Michigan also shares water borders with Minnesota and Illinois across the Great Lakes. Taking this into account, the closest state without bordering Michigan would be Pennsylvania.
Illinois
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.
Michigan mainly but also Illinois in lake Michigan & even Kentucky in a few spots on the Ohio river oddly enough
The northwestern tip of Indiana borders Lake Michigan.
there are no border states in Indiana but Indiana borders on the states of Ohio Kentucky Illinois & Michigan & of these Kentucky was considered a border state during the civil war because it was a slave state on the border between the north & the south & Michigan is considered a border state today not because it borders on Indiana which indeed it does but rather because it borders on Canada
Ohio is located in the midwestern state portion of the United States (a Great Lakes State), and it is bordered to the north by Michigan , to the northeast by Pennsylvania, to the southeast by West Virginia, to the south by Kentucky, and to the west by Indiana.
Michigan shares borders with Ohio and Indiana to the south. And Wisconsin, as the Upper Peninsula borders it up north. (There are water borders within the Great lakes with Illinois and Minnesota.)