State Route 38 is a south–north state highway in the state of Ohio. Its southern terminus is near Bloomingburg and Washington Court House at the U.S. Route 62 / SR 3 concurrency and its northern terminus is in Marysville at the intersection of 5th Street and Main Street where the road continues north as SR 31.

U.S. Route 62 (US 62) is a United States Numbered Highway spanning through Ohio from Aberdeen to Hubbard. Near Killbuck, in Amish Country, it is also marked as an Ohio Byway.