| Koper to Calafell | 679.85 mi (1,094.11 km) |
| Koper to Calahorra | 811.41 mi (1,305.84 km) |
| Koper to Calasparra | 938.75 mi (1,510.77 km) |
| Koper to Calatayud | 821.98 mi (1,322.85 km) |
| Koper to Caldas de Montbuy | 638.13 mi (1,026.98 km) |
| Koper to Caldas de Reyes | 1,125.15 mi (1,810.75 km) |
| Koper to Calella | 616.33 mi (991.89 km) |
| Koper to Callosa de Segura | 908.39 mi (1,461.92 km) |
| Koper to Calpe | 846.78 mi (1,362.76 km) |
| Koper to Calvia | 704.25 mi (1,133.37 km) |
| Koper to Camas | 1,163.40 mi (1,872.31 km) |
| Koper to Cambados | 1,135.19 mi (1,826.91 km) |
| Koper to Cambre | 1,096.65 mi (1,764.89 km) |
| Koper to Cambrils | 707.55 mi (1,138.69 km) |
| Koper to Campo de Criptana | 955.51 mi (1,537.75 km) |
