| Gebze to Coudekerque-Branche | 1,467.61 mi (2,361.89 km) |
| Gebze to Coueron | 1,598.57 mi (2,572.65 km) |
| Gebze to Coulommiers | 1,396.29 mi (2,247.12 km) |
| Gebze to Courbevoic | 1,434.35 mi (2,308.37 km) |
| Gebze to Courcouronnes | 1,422.44 mi (2,289.19 km) |
| Gebze to Cournon-d'Auvergne | 1,356.59 mi (2,183.23 km) |
| Gebze to Courrieres | 1,432.47 mi (2,305.34 km) |
| Gebze to Coutras | 1,515.33 mi (2,438.69 km) |
| Gebze to Couzeix | 1,451.36 mi (2,335.73 km) |
| Gebze to Cran-Gevrier | 1,218.95 mi (1,961.70 km) |
| Gebze to Craponne | 1,283.42 mi (2,065.46 km) |
| Gebze to Creil | 1,429.94 mi (2,301.26 km) |
| Gebze to Crepy-en-Valois | 1,411.85 mi (2,272.16 km) |
| Gebze to Crest | 1,262.55 mi (2,031.88 km) |
| Gebze to Creteil | 1,423.43 mi (2,290.79 km) |
