| Thornbury to Cicero (Illinois) | 3,859.09 mi (6,210.60 km) |
| Thornbury to Cimarron Hills (Colorado) | 4,633.33 mi (7,456.62 km) |
| Thornbury to Cincinnati (Ohio) | 3,856.04 mi (6,205.70 km) |
| Thornbury to Cinco Ranch (Texas) | 4,767.43 mi (7,672.43 km) |
| Thornbury to Circleville (Ohio) | 3,771.92 mi (6,070.33 km) |
| Thornbury to Citrus (California) | 5,342.87 mi (8,598.52 km) |
| Thornbury to Citrus Heights (California) | 5,190.37 mi (8,353.09 km) |
| Thornbury to Citrus Park (Florida) | 4,309.86 mi (6,936.05 km) |
| Thornbury to Claiborne (Louisiana) | 4,482.60 mi (7,214.04 km) |
| Thornbury to Claremont (California) | 5,336.59 mi (8,588.41 km) |
| Thornbury to Claremont (New Hampshire) | 3,181.38 mi (5,119.93 km) |
| Thornbury to Claremore (Oklahoma) | 4,426.90 mi (7,124.41 km) |
| Thornbury to Clarksburg (Maryland) | 3,559.61 mi (5,728.64 km) |
| Thornbury to Clarksburg (West Virginia) | 3,681.39 mi (5,924.62 km) |
| Thornbury to Clarksdale (Mississippi) | 4,334.99 mi (6,976.49 km) |
