State Route 103 (SR 103) is a 77.07-mile (124.03 km) state route that runs between Bluffton and Willard in the US state of Ohio. Most of the route is a rural two-lane highway and passes through both farmland and residential properties. In Bluffton the route has two interchanges with Interstate 75 (I–75).

State Route 235 is a 133.2-mile-long (214.4 km) north–south state highway in the western portion of the U.S. state of Ohio. Its southern terminus is at US 68 near the small town of Oldtown just north of Xenia, and its northern terminus is at State Route 65 at the Maumee River nearly 5 miles (8.0 km) east of Grand Rapids, west of Otsego.