| Koyulhisar to Coudekerque-Branche | 1,842.05 mi (2,964.49 km) |
| Koyulhisar to Coueron | 2,007.69 mi (3,231.07 km) |
| Koyulhisar to Coulommiers | 1,790.57 mi (2,881.65 km) |
| Koyulhisar to Courbevoic | 1,828.70 mi (2,943.01 km) |
| Koyulhisar to Courcouronnes | 1,818.98 mi (2,927.37 km) |
| Koyulhisar to Cournon-d'Auvergne | 1,774.62 mi (2,855.97 km) |
| Koyulhisar to Courrieres | 1,811.63 mi (2,915.54 km) |
| Koyulhisar to Coutras | 1,937.64 mi (3,118.33 km) |
| Koyulhisar to Couzeix | 1,868.80 mi (3,007.55 km) |
| Koyulhisar to Cran-Gevrier | 1,634.88 mi (2,631.09 km) |
| Koyulhisar to Craponne | 1,701.03 mi (2,737.55 km) |
| Koyulhisar to Creil | 1,820.89 mi (2,930.45 km) |
| Koyulhisar to Crepy-en-Valois | 1,802.59 mi (2,900.99 km) |
| Koyulhisar to Crest | 1,686.69 mi (2,714.47 km) |
| Koyulhisar to Creteil | 1,818.51 mi (2,926.62 km) |
