Route 638, or Highway 638, may refer to:
Preceded by 637 | Lists of highways 638 | Succeeded by 639 |
State Route 638 is a two-lane north–south state highway in the west central portion of Ohio, a U.S. state. SR 638 has its southern terminus at an intersection with U.S. Route 68 (US 68) just over six miles (9.7 km) north of the city of Bellefontaine. The northern terminus of the route is at SR 273 at the extreme southeastern corner of the village of Belle Center.
State Route 6 (SR 6) is a state highway that is unsigned. It travels through the central part of the U.S. state of Tennessee from Lawrence County to Sumner County. The highway is related to the following U.S. Highways: