Live Chat I-26 Community Nearby Traffic US 21 SC 2024-05-21 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 21 SC West Columbia, SC 3.63 Columbia, SC 4.72 State Park, SC 9.93 Interstate highway exits close to US 21 SC Exit 113, i26 2.68 Exit 115, i26 3.67 Exit 116, i26 4.13 Interstate highways close to US 21 SC i26 map 2.68 i77 map 4.20 i20 map 8.69 State roads close to US 21 SC SC 2 map 0.08 SC 35 map 0.55 US 21 SC map 1.18