| Castellammare del Golfo to Coudekerque-Branche | 1,033.80 mi (1,663.75 km) |
| Castellammare del Golfo to Coueron | 974.07 mi (1,567.61 km) |
| Castellammare del Golfo to Coulommiers | 891.36 mi (1,434.50 km) |
| Castellammare del Golfo to Courbevoic | 919.09 mi (1,479.13 km) |
| Castellammare del Golfo to Courcouronnes | 899.36 mi (1,447.37 km) |
| Castellammare del Golfo to Cournon-d'Auvergne | 728.54 mi (1,172.48 km) |
| Castellammare del Golfo to Courrieres | 987.72 mi (1,589.58 km) |
| Castellammare del Golfo to Coutras | 827.57 mi (1,331.85 km) |
| Castellammare del Golfo to Couzeix | 805.96 mi (1,297.06 km) |
| Castellammare del Golfo to Cran-Gevrier | 645.53 mi (1,038.88 km) |
| Castellammare del Golfo to Craponne | 677.83 mi (1,090.86 km) |
| Castellammare del Golfo to Creil | 932.16 mi (1,500.17 km) |
| Castellammare del Golfo to Crepy-en-Valois | 919.88 mi (1,480.40 km) |
| Castellammare del Golfo to Crest | 616.17 mi (991.64 km) |
| Castellammare del Golfo to Creteil | 907.36 mi (1,460.26 km) |
