| Koper to Cabestany | 570.24 mi (917.71 km) |
| Koper to Cabries | 436.47 mi (702.44 km) |
| Koper to Cachan | 579.75 mi (933.02 km) |
| Koper to Caen | 704.75 mi (1,134.18 km) |
| Koper to Cagnes-sur-Mer | 348.97 mi (561.62 km) |
| Koper to Cahors | 604.79 mi (973.32 km) |
| Koper to Calais | 660.35 mi (1,062.73 km) |
| Koper to Caluire-et-Cuire | 429.13 mi (690.62 km) |
| Koper to Cambrai | 581.40 mi (935.67 km) |
| Koper to Canet-en-Roussillon | 566.55 mi (911.77 km) |
| Koper to Cannes | 358.42 mi (576.82 km) |
| Koper to Canteleu | 650.02 mi (1,046.10 km) |
| Koper to Capbreton | 756.50 mi (1,217.47 km) |
| Koper to Carcassonne | 584.34 mi (940.40 km) |
| Koper to Carmaux | 576.36 mi (927.56 km) |
