| Siran to Coudekerque-Branche | 1,902.30 mi (3,061.45 km) |
| Siran to Coueron | 2,072.16 mi (3,334.82 km) |
| Siran to Coulommiers | 1,853.37 mi (2,982.71 km) |
| Siran to Courbevoic | 1,891.46 mi (3,044.02 km) |
| Siran to Courcouronnes | 1,882.03 mi (3,028.83 km) |
| Siran to Cournon-d'Auvergne | 1,840.35 mi (2,961.76 km) |
| Siran to Courrieres | 1,872.52 mi (3,013.53 km) |
| Siran to Coutras | 2,003.83 mi (3,224.85 km) |
| Siran to Couzeix | 1,934.41 mi (3,113.14 km) |
| Siran to Cran-Gevrier | 1,700.46 mi (2,736.63 km) |
| Siran to Craponne | 1,766.77 mi (2,843.34 km) |
| Siran to Creil | 1,883.24 mi (3,030.79 km) |
| Siran to Crepy-en-Valois | 1,864.94 mi (3,001.33 km) |
| Siran to Crest | 1,753.23 mi (2,821.55 km) |
| Siran to Creteil | 1,881.38 mi (3,027.79 km) |
