Live Chat AI Agent Community US 21 SC 2024-09-22 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 21 SC Cayce, SC 3.63 Columbia, SC 5.09 State Park, SC 11.09 Interstate highway exits close to US 21 SC Exit 111b a, i26 1.95 Exit 110, i26 2.39 Exit 113, i26 3.89 Interstate highways close to US 21 SC i26 map 1.95 i20 map 5.39 i77 map 7.34 State roads close to US 21 SC SC 12 map 0.46 US 1 SC map 0.66 SC 35 map 1.30