Live Chat I-26 Community Nearby Traffic US 21 SC 2024-04-28 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 21 SC Cameron, SC 16.25 Orangeburg, SC 16.41 Gadsden, SC 18.77 Interstate highway exits close to US 21 SC Exit 139, i26 8.74 Exit 136, i26 9.47 Exit 145b a, i26 13.26 Interstate highways close to US 21 SC i26 map 8.74 i77 map 34.65 i95 map 36.59 State roads close to US 21 SC SC 6 map 0.56 US 601 SC map 2.09 US 21 SC map 9.84