| Alton to Cognac | 378.00 mi (608.33 km) |
| Alton to Cogolin | 648.80 mi (1,044.14 km) |
| Alton to Colmar | 428.68 mi (689.89 km) |
| Alton to Colombes | 210.19 mi (338.26 km) |
| Alton to Colomiers | 531.74 mi (855.75 km) |
| Alton to Combs-la-Ville | 232.59 mi (374.32 km) |
| Alton to Comines | 175.47 mi (282.40 km) |
| Alton to Compiegne | 206.15 mi (331.77 km) |
| Alton to Concarneau | 261.88 mi (421.45 km) |
| Alton to Conde-sur-l'Escaut | 205.21 mi (330.26 km) |
| Alton to Conflans-Sainte-Honorine | 201.65 mi (324.52 km) |
| Alton to Corbas | 464.59 mi (747.69 km) |
| Alton to Corbeil-Essonnes | 233.22 mi (375.33 km) |
| Alton to Cormeilles-en-Parisis | 206.06 mi (331.62 km) |
| Alton to Cosne sur Loire | 312.45 mi (502.84 km) |
