| Thornton to Cognac | 563.32 mi (906.57 km) |
| Thornton to Cogolin | 821.58 mi (1,322.21 km) |
| Thornton to Colmar | 561.50 mi (903.64 km) |
| Thornton to Colombes | 379.82 mi (611.26 km) |
| Thornton to Colomiers | 717.76 mi (1,155.12 km) |
| Thornton to Combs-la-Ville | 401.75 mi (646.55 km) |
| Thornton to Comines | 293.09 mi (471.67 km) |
| Thornton to Compiegne | 362.59 mi (583.53 km) |
| Thornton to Concarneau | 418.45 mi (673.44 km) |
| Thornton to Conde-sur-l'Escaut | 326.26 mi (525.06 km) |
| Thornton to Conflans-Sainte-Honorine | 372.07 mi (598.79 km) |
| Thornton to Corbas | 636.39 mi (1,024.17 km) |
| Thornton to Corbeil-Essonnes | 403.64 mi (649.60 km) |
| Thornton to Cormeilles-en-Parisis | 375.68 mi (604.61 km) |
| Thornton to Cosne sur Loire | 487.74 mi (784.93 km) |
