| Thornton to Culpeper (Virginia) | 3,607.85 mi (5,806.27 km) |
| Thornton to Culver City (California) | 5,289.94 mi (8,513.34 km) |
| Thornton to Cumberland (Maryland) | 3,581.61 mi (5,764.05 km) |
| Thornton to Cupertino (California) | 5,206.52 mi (8,379.08 km) |
| Thornton to Cutler Bay (Florida) | 4,349.71 mi (7,000.19 km) |
| Thornton to Cutlerville (Michigan) | 3,694.46 mi (5,945.65 km) |
| Thornton to Cuyahoga Falls (Ohio) | 3,617.05 mi (5,821.09 km) |
| Thornton to Cypress (California) | 5,289.70 mi (8,512.95 km) |
| Thornton to Cypress Gardens (Florida) | 4,277.43 mi (6,883.86 km) |
| Thornton to Cypress Lake (Florida) | 4,362.45 mi (7,020.69 km) |
| Thornton to D'Iberville (Mississippi) | 4,435.25 mi (7,137.84 km) |
| Thornton to Dakota Ridge (Colorado) | 4,546.20 mi (7,316.40 km) |
| Thornton to Dale City (Virginia) | 3,573.75 mi (5,751.40 km) |
| Thornton to Dallas (Georgia) | 4,099.65 mi (6,597.75 km) |
| Thornton to Dallas (Oregon) | 4,796.80 mi (7,719.71 km) |
