| Thornton to Corinth (Mississippi) | 4,189.50 mi (6,742.35 km) |
| Thornton to Corinth (Texas) | 4,605.90 mi (7,412.48 km) |
| Thornton to Cornelius (North Carolina) | 3,866.46 mi (6,222.47 km) |
| Thornton to Cornelius (Oregon) | 4,755.22 mi (7,652.78 km) |
| Thornton to Corning (New York) | 3,400.18 mi (5,472.05 km) |
| Thornton to Corona (California) | 5,272.27 mi (8,484.90 km) |
| Thornton to Coronado (California) | 5,328.64 mi (8,575.62 km) |
| Thornton to Corpus Christi (Texas) | 4,907.93 mi (7,898.55 km) |
| Thornton to Corsicana (Texas) | 4,639.83 mi (7,467.09 km) |
| Thornton to Cortland (New York) | 3,345.79 mi (5,384.53 km) |
| Thornton to Corvallis (Oregon) | 4,816.40 mi (7,751.24 km) |
| Thornton to Coshocton (Ohio) | 3,672.15 mi (5,909.75 km) |
| Thornton to Costa Mesa (California) | 5,294.49 mi (8,520.66 km) |
| Thornton to Coto de Caza (California) | 5,288.30 mi (8,510.69 km) |
| Thornton to Cottage Grove (Minnesota) | 3,861.44 mi (6,214.39 km) |
