Road Junction: US 21 SC and I 20 (,) click anywhere on map to change location 2025-08-24 Roadnow Traffic | Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 21 SC And I 20 Richland, SC 3.1mi/4m State Park, SC 3mi/7m Columbia, SC 6.4mi/13m Interstate highway exits close to US 21 SC And I 20 Exit 71, i20 2.8mi/5m Exit 72, i20 1.2mi/2m Exit 70, i20 1.8mi/3m Interstate highways close to US 21 SC And I 20 i20 map 2.8mi/5m i77 map 5mi/8m i26 map 12.2mi/17m State roads close to US 21 SC And I 20 US 21 SC map 0mi/0m SC 555 map 1.1mi/4m SC 277 map 2.7mi/4m
2025-08-24 Roadnow Traffic | Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 21 SC And I 20 Richland, SC 3.1mi/4m State Park, SC 3mi/7m Columbia, SC 6.4mi/13m Interstate highway exits close to US 21 SC And I 20 Exit 71, i20 2.8mi/5m Exit 72, i20 1.2mi/2m Exit 70, i20 1.8mi/3m Interstate highways close to US 21 SC And I 20 i20 map 2.8mi/5m i77 map 5mi/8m i26 map 12.2mi/17m State roads close to US 21 SC And I 20 US 21 SC map 0mi/0m SC 555 map 1.1mi/4m SC 277 map 2.7mi/4m