Live Chat AI Agent Community US 21 SC 2024-06-18 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 21 SC Columbia, SC 11.31 Elgin, SC 16.19 Ridgeway, SC 16.98 Interstate highway exits close to US 21 SC Exit 27, i77 1.59 Exit 24, i77 3.49 Exit 22, i77 7.49 Interstate highways close to US 21 SC i77 map 1.59 i20 map 14.10 i26 map 20.47 State roads close to US 21 SC US 21 SC map 1.33 SC 555 map 2.56 US 321 SC map 5.42