Pennsylvainia, West Virgina, Kentuky, and Indiana border Ohio
Kentucky, which is on the south and east side of the Ohio River has the longest border.
Ohio share a common border with both Indiana and Pennsylvania.
Indiana and Illinois
The 3 states that the Ohio River borders are,Ohio, Indiana and Illinois.
Pennsylvainia, West Virgina, Kentuky, and Indiana border Ohio
Michigan, Pennsylvania, Kentucky and Indiana.
Michigan, Indiana, Illinois, Wisconsin
Ohio shares a a common border with both Indiana and Pennsylvania.
Ten counties in Indiana border Ohio.
4, Michigan, Ohio, Illinois, and Kentucky
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