| Kocaeli to Coudekerque-Branche | 1,489.22 mi (2,396.66 km) |
| Kocaeli to Coueron | 1,622.38 mi (2,610.97 km) |
| Kocaeli to Coulommiers | 1,419.12 mi (2,283.85 km) |
| Kocaeli to Courbevoic | 1,457.20 mi (2,345.14 km) |
| Kocaeli to Courcouronnes | 1,445.42 mi (2,326.17 km) |
| Kocaeli to Cournon-d'Auvergne | 1,380.88 mi (2,222.31 km) |
| Kocaeli to Courrieres | 1,454.36 mi (2,340.56 km) |
| Kocaeli to Coutras | 1,539.90 mi (2,478.24 km) |
| Kocaeli to Couzeix | 1,475.63 mi (2,374.80 km) |
| Kocaeli to Cran-Gevrier | 1,243.06 mi (2,000.52 km) |
| Kocaeli to Craponne | 1,307.66 mi (2,104.47 km) |
| Kocaeli to Creil | 1,452.57 mi (2,337.69 km) |
| Kocaeli to Crepy-en-Valois | 1,434.46 mi (2,308.55 km) |
| Kocaeli to Crest | 1,287.18 mi (2,071.52 km) |
| Kocaeli to Creteil | 1,446.32 mi (2,327.63 km) |
