| Rocky River to Coudekerque-Branche | 3,855.33 mi (6,204.56 km) |
| Rocky River to Coueron | 3,801.64 mi (6,118.14 km) |
| Rocky River to Coulommiers | 3,951.04 mi (6,358.58 km) |
| Rocky River to Courbevoic | 3,914.84 mi (6,300.33 km) |
| Rocky River to Courcouronnes | 3,930.58 mi (6,325.66 km) |
| Rocky River to Cournon-d'Auvergne | 4,056.24 mi (6,527.89 km) |
| Rocky River to Courrieres | 3,894.34 mi (6,267.33 km) |
| Rocky River to Coutras | 3,937.48 mi (6,336.77 km) |
| Rocky River to Couzeix | 3,968.99 mi (6,387.47 km) |
| Rocky River to Cran-Gevrier | 4,172.12 mi (6,714.37 km) |
| Rocky River to Craponne | 4,120.18 mi (6,630.79 km) |
| Rocky River to Creil | 3,912.91 mi (6,297.21 km) |
| Rocky River to Crepy-en-Valois | 3,929.91 mi (6,324.58 km) |
| Rocky River to Crest | 4,168.12 mi (6,707.94 km) |
| Rocky River to Creteil | 3,926.68 mi (6,319.39 km) |
