Ohio State Route 671

State Route 671 (SR 671) is an east-west state highway in the southern portion of Ohio. Existing entirely within Vinton County, the western terminus of this short connector route is at SR 327 three miles (4.8 km) northeast of the hamlet of Londonderry. Its eastern terminus is at U.S. Route 50 (US 50) in the unincorporated community of Ratcliffburg.

Ohio State Route 671

State Route 671 (SR 671) is an east-west state highway in the southern portion of Ohio. Existing entirely within Vinton County, the western terminus of this short connector route is at SR 327 three miles (4.8 km) northeast of the hamlet of Londonderry. Its eastern terminus is at U.S. Route 50 (US 50) in the unincorporated community of Ratcliffburg.