| Siran to Cognac | 2,010.45 mi (3,235.51 km) |
| Siran to Cogolin | 1,683.51 mi (2,709.35 km) |
| Siran to Colmar | 1,653.26 mi (2,660.66 km) |
| Siran to Colombes | 1,891.65 mi (3,044.31 km) |
| Siran to Colomiers | 1,940.80 mi (3,123.41 km) |
| Siran to Combs-la-Ville | 1,876.32 mi (3,019.64 km) |
| Siran to Comines | 1,872.98 mi (3,014.27 km) |
| Siran to Compiegne | 1,869.10 mi (3,008.02 km) |
| Siran to Concarneau | 2,173.06 mi (3,497.21 km) |
| Siran to Conde-sur-l'Escaut | 1,844.43 mi (2,968.33 km) |
| Siran to Conflans-Sainte-Honorine | 1,899.02 mi (3,056.18 km) |
| Siran to Corbas | 1,758.14 mi (2,829.45 km) |
| Siran to Corbeil-Essonnes | 1,879.58 mi (3,024.89 km) |
| Siran to Cormeilles-en-Parisis | 1,894.22 mi (3,048.46 km) |
| Siran to Cosne sur Loire | 1,854.53 mi (2,984.58 km) |
