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.

U.S. Route 68 is a United States highway that runs for 560 miles (900 km) from northwest Ohio to Western Kentucky. The highway's western terminus is at US 62 in Reidland, Kentucky. Its present northern terminus is at Interstate 75 in Findlay, Ohio, though the route once extended as far north as Toledo. US 68 intersects with US 62 three times during its route.