Live Chat I-20 Community Nearby Traffic SC 421 2024-06-14 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to SC 421 Bath, SC 2.06 Gloverville, SC 2.55 Warrenville, SC 3.77 Interstate highway exits close to SC 421 Exit 5, i20 9.70 Exit 11, i20 10.37 Exit 1, i20 13.25 Interstate highways close to SC 421 i20 map 9.70 i26 map 84.96 i77 map 85.88 State roads close to SC 421 SC 421 map 0.08 US 1 SC map 1.18 SC 126 map 4.11