| Siano to Cognac | 826.53 mi (1,330.17 km) |
| Siano to Cogolin | 451.68 mi (726.91 km) |
| Siano to Colmar | 619.06 mi (996.28 km) |
| Siano to Colombes | 826.40 mi (1,329.96 km) |
| Siano to Colomiers | 709.78 mi (1,142.28 km) |
| Siano to Combs-la-Ville | 804.57 mi (1,294.83 km) |
| Siano to Comines | 886.93 mi (1,427.38 km) |
| Siano to Compiegne | 828.29 mi (1,333.00 km) |
| Siano to Concarneau | 1,037.82 mi (1,670.20 km) |
| Siano to Conde-sur-l'Escaut | 853.72 mi (1,373.93 km) |
| Siano to Conflans-Sainte-Honorine | 835.12 mi (1,343.99 km) |
| Siano to Corbas | 595.98 mi (959.13 km) |
| Siano to Corbeil-Essonnes | 805.01 mi (1,295.54 km) |
| Siano to Cormeilles-en-Parisis | 830.36 mi (1,336.33 km) |
| Siano to Cosne sur Loire | 739.84 mi (1,190.66 km) |
