| Siano to Coudekerque-Branche | 918.73 mi (1,478.55 km) |
| Siano to Coueron | 925.79 mi (1,489.91 km) |
| Siano to Coulommiers | 792.35 mi (1,275.16 km) |
| Siano to Courbevoic | 825.27 mi (1,328.14 km) |
| Siano to Courcouronnes | 807.34 mi (1,299.28 km) |
| Siano to Cournon-d'Auvergne | 670.62 mi (1,079.26 km) |
| Siano to Courrieres | 873.77 mi (1,406.20 km) |
| Siano to Coutras | 803.66 mi (1,293.37 km) |
| Siano to Couzeix | 760.27 mi (1,223.54 km) |
| Siano to Cran-Gevrier | 556.66 mi (895.86 km) |
| Siano to Craponne | 606.11 mi (975.44 km) |
| Siano to Creil | 832.84 mi (1,340.32 km) |
| Siano to Crepy-en-Valois | 817.89 mi (1,316.27 km) |
| Siano to Crest | 560.07 mi (901.34 km) |
| Siano to Creteil | 813.22 mi (1,308.74 km) |
