| Castle Rock to Coudekerque-Branche | 4,806.80 mi (7,735.80 km) |
| Castle Rock to Coueron | 4,818.38 mi (7,754.43 km) |
| Castle Rock to Coulommiers | 4,926.01 mi (7,927.65 km) |
| Castle Rock to Courbevoic | 4,893.03 mi (7,874.57 km) |
| Castle Rock to Courcouronnes | 4,911.12 mi (7,903.68 km) |
| Castle Rock to Cournon-d'Auvergne | 5,065.15 mi (8,151.58 km) |
| Castle Rock to Courrieres | 4,850.14 mi (7,805.55 km) |
| Castle Rock to Coutras | 4,970.27 mi (7,998.87 km) |
| Castle Rock to Couzeix | 4,986.31 mi (8,024.68 km) |
| Castle Rock to Cran-Gevrier | 5,163.95 mi (8,310.57 km) |
| Castle Rock to Craponne | 5,121.11 mi (8,241.63 km) |
| Castle Rock to Creil | 4,885.65 mi (7,862.70 km) |
| Castle Rock to Crepy-en-Valois | 4,900.91 mi (7,887.26 km) |
| Castle Rock to Crest | 5,178.16 mi (8,333.45 km) |
| Castle Rock to Creteil | 4,905.08 mi (7,893.97 km) |
