| Challans to Coueron | 26.52 mi (42.68 km) |
| Challans to Coulommiers | 267.26 mi (430.12 km) |
| Challans to Courbevoic | 238.15 mi (383.27 km) |
| Challans to Courcouronnes | 234.77 mi (377.83 km) |
| Challans to Cournon-d'Auvergne | 253.97 mi (408.73 km) |
| Challans to Courrieres | 332.68 mi (535.40 km) |
| Challans to Coutras | 150.43 mi (242.09 km) |
| Challans to Couzeix | 163.02 mi (262.36 km) |
| Challans to Cran-Gevrier | 385.86 mi (620.99 km) |
| Challans to Craponne | 324.09 mi (521.58 km) |
| Challans to Creil | 261.34 mi (420.59 km) |
| Challans to Crepy-en-Valois | 275.02 mi (442.60 km) |
| Challans to Crest | 363.08 mi (584.33 km) |
| Challans to Creteil | 242.03 mi (389.51 km) |
| Challans to Creutzwald | 428.09 mi (688.94 km) |
