| Postojna to Calafell | 707.20 mi (1,138.13 km) |
| Postojna to Calahorra | 837.10 mi (1,347.19 km) |
| Postojna to Calasparra | 966.51 mi (1,555.45 km) |
| Postojna to Calatayud | 848.48 mi (1,365.50 km) |
| Postojna to Caldas de Montbuy | 665.39 mi (1,070.85 km) |
| Postojna to Caldas de Reyes | 1,149.03 mi (1,849.19 km) |
| Postojna to Calella | 643.72 mi (1,035.96 km) |
| Postojna to Callosa de Segura | 936.25 mi (1,506.76 km) |
| Postojna to Calpe | 874.65 mi (1,407.61 km) |
| Postojna to Calvia | 732.19 mi (1,178.34 km) |
| Postojna to Camas | 1,190.75 mi (1,916.32 km) |
| Postojna to Cambados | 1,159.12 mi (1,865.43 km) |
| Postojna to Cambre | 1,119.99 mi (1,802.45 km) |
| Postojna to Cambrils | 734.86 mi (1,182.64 km) |
| Postojna to Campo de Criptana | 982.70 mi (1,581.50 km) |
