| Risca to Coudekerque-Branche | 240.11 mi (386.41 km) |
| Risca to Coueron | 309.64 mi (498.32 km) |
| Risca to Coulommiers | 334.13 mi (537.73 km) |
| Risca to Courbevoic | 301.21 mi (484.75 km) |
| Risca to Courcouronnes | 319.74 mi (514.57 km) |
| Risca to Cournon-d'Auvergne | 496.15 mi (798.48 km) |
| Risca to Courrieres | 274.04 mi (441.02 km) |
| Risca to Coutras | 473.61 mi (762.20 km) |
| Risca to Couzeix | 442.26 mi (711.74 km) |
| Risca to Cran-Gevrier | 574.32 mi (924.28 km) |
| Risca to Craponne | 539.01 mi (867.45 km) |
| Risca to Creil | 294.06 mi (473.24 km) |
| Risca to Crepy-en-Valois | 309.95 mi (498.82 km) |
| Risca to Crest | 603.99 mi (972.02 km) |
| Risca to Creteil | 313.25 mi (504.12 km) |
