| Koper to Campos del Puerto | 689.45 mi (1,109.56 km) |
| Koper to Canals | 860.29 mi (1,384.50 km) |
| Koper to Candelaria | 2,023.57 mi (3,256.62 km) |
| Koper to Canet de Mar | 620.86 mi (999.18 km) |
| Koper to Cangas | 1,139.56 mi (1,833.94 km) |
| Koper to Cangas de Narcea | 1,012.00 mi (1,628.66 km) |
| Koper to Canovellas | 633.51 mi (1,019.53 km) |
| Koper to Canteras | 937.82 mi (1,509.27 km) |
| Koper to Cantillana | 1,145.83 mi (1,844.04 km) |
| Koper to Capdepera | 660.60 mi (1,063.13 km) |
| Koper to Carballo | 1,114.86 mi (1,794.19 km) |
| Koper to Carcagente | 847.81 mi (1,364.41 km) |
| Koper to Cardedeu | 629.21 mi (1,012.62 km) |
| Koper to Carlet | 846.72 mi (1,362.66 km) |
| Koper to Carmona | 1,142.90 mi (1,839.32 km) |
