| Karlovo to Coueron | 1,328.64 mi (2,138.23 km) |
| Karlovo to Coulommiers | 1,126.24 mi (1,812.51 km) |
| Karlovo to Courbevoic | 1,164.27 mi (1,873.71 km) |
| Karlovo to Courcouronnes | 1,152.21 mi (1,854.30 km) |
| Karlovo to Cournon-d'Auvergne | 1,088.22 mi (1,751.31 km) |
| Karlovo to Courrieres | 1,164.58 mi (1,874.21 km) |
| Karlovo to Coutras | 1,248.60 mi (2,009.43 km) |
| Karlovo to Couzeix | 1,182.90 mi (1,903.69 km) |
| Karlovo to Cran-Gevrier | 949.88 mi (1,528.69 km) |
| Karlovo to Craponne | 1,014.85 mi (1,633.25 km) |
| Karlovo to Creil | 1,160.18 mi (1,867.14 km) |
| Karlovo to Crepy-en-Valois | 1,142.14 mi (1,838.10 km) |
| Karlovo to Crest | 996.44 mi (1,603.62 km) |
| Karlovo to Creteil | 1,153.30 mi (1,856.06 km) |
| Karlovo to Creutzwald | 978.01 mi (1,573.96 km) |
