Live Chat I-26 Community Nearby Traffic US 21 SC 2024-06-11 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 21 SC Williams, SC 8.56 Branchville, SC 13.79 Ruffin, SC 14.28 Interstate highway exits close to US 21 SC Exit 68, i95 14.92 Exit 62, i95 17.46 Exit 77, i95 21.55 Interstate highways close to US 21 SC i95 map 14.92 i26 map 34.05 i526sc map 77.74 State roads close to US 21 SC US 21 SC map 0.37 SC 217 map 1.76 SC 61 map 6.92