| Witham to Cognac | 423.89 mi (682.18 km) |
| Witham to Cogolin | 650.78 mi (1,047.32 km) |
| Witham to Colmar | 393.64 mi (633.50 km) |
| Witham to Colombes | 210.95 mi (339.48 km) |
| Witham to Colomiers | 566.38 mi (911.50 km) |
| Witham to Combs-la-Ville | 232.19 mi (373.68 km) |
| Witham to Comines | 125.00 mi (201.16 km) |
| Witham to Compiegne | 190.49 mi (306.56 km) |
| Witham to Concarneau | 338.50 mi (544.76 km) |
| Witham to Conde-sur-l'Escaut | 158.36 mi (254.86 km) |
| Witham to Conflans-Sainte-Honorine | 203.78 mi (327.95 km) |
| Witham to Corbas | 465.78 mi (749.61 km) |
| Witham to Corbeil-Essonnes | 234.60 mi (377.56 km) |
| Witham to Cormeilles-en-Parisis | 206.91 mi (332.99 km) |
| Witham to Cosne sur Loire | 319.94 mi (514.90 km) |
