| Conneaut to Coudekerque-Branche | 3,784.44 mi (6,090.47 km) |
| Conneaut to Coueron | 3,729.23 mi (6,001.61 km) |
| Conneaut to Coulommiers | 3,879.49 mi (6,243.43 km) |
| Conneaut to Courbevoic | 3,843.23 mi (6,185.08 km) |
| Conneaut to Courcouronnes | 3,858.91 mi (6,210.31 km) |
| Conneaut to Cournon-d'Auvergne | 3,983.90 mi (6,411.47 km) |
| Conneaut to Courrieres | 3,823.31 mi (6,153.02 km) |
| Conneaut to Coutras | 3,864.74 mi (6,219.70 km) |
| Conneaut to Couzeix | 3,896.51 mi (6,270.83 km) |
| Conneaut to Cran-Gevrier | 4,100.08 mi (6,598.44 km) |
| Conneaut to Craponne | 4,047.97 mi (6,514.58 km) |
| Conneaut to Creil | 3,841.43 mi (6,182.18 km) |
| Conneaut to Crepy-en-Valois | 3,858.47 mi (6,209.61 km) |
| Conneaut to Crest | 4,095.72 mi (6,591.42 km) |
| Conneaut to Creteil | 3,855.06 mi (6,204.12 km) |
