| Tortum to Coudekerque-Branche | 2,005.94 mi (3,228.25 km) |
| Tortum to Coueron | 2,186.19 mi (3,518.34 km) |
| Tortum to Coulommiers | 1,963.28 mi (3,159.59 km) |
| Tortum to Courbevoic | 2,001.24 mi (3,220.69 km) |
| Tortum to Courcouronnes | 1,992.53 mi (3,206.67 km) |
| Tortum to Cournon-d'Auvergne | 1,958.06 mi (3,151.19 km) |
| Tortum to Courrieres | 1,977.73 mi (3,182.84 km) |
| Tortum to Coutras | 2,122.73 mi (3,416.21 km) |
| Tortum to Couzeix | 2,051.69 mi (3,301.87 km) |
| Tortum to Cran-Gevrier | 1,817.84 mi (2,925.53 km) |
| Tortum to Craponne | 1,884.53 mi (3,032.85 km) |
| Tortum to Creil | 1,992.00 mi (3,205.81 km) |
| Tortum to Crepy-en-Valois | 1,973.70 mi (3,176.37 km) |
| Tortum to Crest | 1,873.32 mi (3,014.82 km) |
| Tortum to Creteil | 1,991.43 mi (3,204.89 km) |
