| Koper to Cartagena | 935.79 mi (1,506.01 km) |
| Koper to Cartama | 1,130.01 mi (1,818.58 km) |
| Koper to Cartaya | 1,218.44 mi (1,960.89 km) |
| Koper to Caspe | 751.53 mi (1,209.47 km) |
| Koper to Cassa de la Selva | 597.68 mi (961.87 km) |
| Koper to Castalla | 879.18 mi (1,414.90 km) |
| Koper to Castellbisbal | 651.76 mi (1,048.91 km) |
| Koper to Castelldefels | 658.81 mi (1,060.25 km) |
| Koper to Castello de Ampurias | 576.70 mi (928.12 km) |
| Koper to Castellon de la Plana | 795.66 mi (1,280.50 km) |
| Koper to Castilleja de la Cuesta | 1,164.90 mi (1,874.72 km) |
| Koper to Catarroja | 834.57 mi (1,343.11 km) |
| Koper to Catral | 903.63 mi (1,454.26 km) |
| Koper to Caudete | 888.28 mi (1,429.55 km) |
| Koper to Cehegin | 948.83 mi (1,527.00 km) |
