Live Chat I-85 Community Nearby Traffic US 21 NC 2024-05-24 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 21 NC Elkin, NC 6.39 Ronda, NC 9.77 Boonville, NC 10.85 Interstate highway exits close to US 21 NC Exit 82, i77 1.70 Exit 79, i77 3.74 Exit 83, i77 4.13 Interstate highways close to US 21 NC i77 map 1.70 i40 map 40.18 i85 map 68.30 State roads close to US 21 NC NC 67 map 1.41 NC 268 BUSINESS map 2.30 US 21 NC map 3.64