Live Chat I-20 Community Nearby Traffic US 78 SC 2024-06-05 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 78 SC Elko, SC 8.96 Denmark, SC 13.93 Williston, SC 14.29 Interstate highway exits close to US 78 SC Exit 29, i20 47.77 Exit 145b a, i26 47.89 Exit 139, i26 48.38 Interstate highways close to US 78 SC i20 map 47.77 i26 map 47.89 i77 map 65.77 State roads close to US 78 SC SC 3 map 1.27 US 78 SC map 1.41 SC 304 map 1.78