| Thetford to Cognac | 466.41 mi (750.62 km) |
| Thetford to Cogolin | 686.81 mi (1,105.32 km) |
| Thetford to Colmar | 417.86 mi (672.48 km) |
| Thetford to Colombes | 249.81 mi (402.03 km) |
| Thetford to Colomiers | 608.37 mi (979.08 km) |
| Thetford to Combs-la-Ville | 270.46 mi (435.27 km) |
| Thetford to Comines | 149.85 mi (241.15 km) |
| Thetford to Compiegne | 225.94 mi (363.62 km) |
| Thetford to Concarneau | 374.96 mi (603.44 km) |
| Thetford to Conde-sur-l'Escaut | 182.82 mi (294.22 km) |
| Thetford to Conflans-Sainte-Honorine | 243.03 mi (391.12 km) |
| Thetford to Corbas | 502.31 mi (808.38 km) |
| Thetford to Corbeil-Essonnes | 273.20 mi (439.68 km) |
| Thetford to Cormeilles-en-Parisis | 245.86 mi (395.68 km) |
| Thetford to Cosne sur Loire | 358.82 mi (577.47 km) |
