| Civitavecchia to Coudekerque-Branche | 760.30 mi (1,223.59 km) |
| Civitavecchia to Coueron | 751.31 mi (1,209.12 km) |
| Civitavecchia to Coulommiers | 626.69 mi (1,008.56 km) |
| Civitavecchia to Courbevoic | 658.09 mi (1,059.10 km) |
| Civitavecchia to Courcouronnes | 639.52 mi (1,029.20 km) |
| Civitavecchia to Cournon-d'Auvergne | 496.22 mi (798.59 km) |
| Civitavecchia to Courrieres | 714.61 mi (1,150.06 km) |
| Civitavecchia to Coutras | 630.07 mi (1,013.99 km) |
| Civitavecchia to Couzeix | 585.63 mi (942.48 km) |
| Civitavecchia to Cran-Gevrier | 386.09 mi (621.35 km) |
| Civitavecchia to Craponne | 432.71 mi (696.37 km) |
| Civitavecchia to Creil | 667.52 mi (1,074.26 km) |
| Civitavecchia to Crepy-en-Valois | 653.45 mi (1,051.62 km) |
| Civitavecchia to Crest | 385.43 mi (620.30 km) |
| Civitavecchia to Creteil | 646.07 mi (1,039.76 km) |
