| Koper to Cognac | 678.73 mi (1,092.32 km) |
| Koper to Cogolin | 389.22 mi (626.39 km) |
| Koper to Colmar | 348.46 mi (560.79 km) |
| Koper to Colombes | 586.11 mi (943.25 km) |
| Koper to Colomiers | 623.86 mi (1,004.01 km) |
| Koper to Combs-la-Ville | 567.24 mi (912.88 km) |
| Koper to Comines | 610.61 mi (982.68 km) |
| Koper to Compiegne | 574.43 mi (924.45 km) |
| Koper to Concarneau | 849.58 mi (1,367.27 km) |
| Koper to Conde-sur-l'Escaut | 577.52 mi (929.43 km) |
| Koper to Conflans-Sainte-Honorine | 594.42 mi (956.63 km) |
| Koper to Corbas | 426.72 mi (686.74 km) |
| Koper to Corbeil-Essonnes | 569.44 mi (916.42 km) |
| Koper to Cormeilles-en-Parisis | 589.43 mi (948.60 km) |
| Koper to Cosne sur Loire | 529.57 mi (852.27 km) |
