| Koper to Castrovillari | 415.42 mi (668.55 km) |
| Koper to Catania | 560.59 mi (902.18 km) |
| Koper to Catanzaro | 482.22 mi (776.06 km) |
| Koper to Cattolica | 119.89 mi (192.95 km) |
| Koper to Cava de' Tirreni | 338.62 mi (544.96 km) |
| Koper to Cavallino | 426.22 mi (685.93 km) |
| Koper to Cavarzere | 85.13 mi (137.00 km) |
| Koper to Cave | 261.02 mi (420.07 km) |
| Koper to Cavriago | 166.67 mi (268.23 km) |
| Koper to Cavriglia | 178.92 mi (287.94 km) |
| Koper to Cazzago San Martino | 179.33 mi (288.61 km) |
| Koper to Ceccano | 275.95 mi (444.09 km) |
| Koper to Cecina | 221.31 mi (356.17 km) |
| Koper to Cefalu | 519.56 mi (836.15 km) |
| Koper to Ceglie Messapico | 388.13 mi (624.64 km) |
