Live Chat I-77 Community Nearby Traffic US 321 SC 2024-05-09 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 321 SC White Oak, SC 0.00 Winnsboro, SC 1.59 Rion, SC 7.55 Interstate highway exits close to US 321 SC Exit 41, i77 10.18 Exit 34, i77 11.64 Exit 46, i77 14.47 Interstate highways close to US 321 SC i77 map 10.18 i26 map 28.40 i20 map 34.60 State roads close to US 321 SC SC 34 map 0.21 SC 200 map 2.05 US 321 SC map 2.40