| Postojna to Cartagena | 963.70 mi (1,550.93 km) |
| Postojna to Cartama | 1,157.71 mi (1,863.16 km) |
| Postojna to Cartaya | 1,245.64 mi (2,004.67 km) |
| Postojna to Caspe | 778.49 mi (1,252.86 km) |
| Postojna to Cassa de la Selva | 624.96 mi (1,005.78 km) |
| Postojna to Castalla | 906.98 mi (1,459.65 km) |
| Postojna to Castellbisbal | 679.07 mi (1,092.85 km) |
| Postojna to Castelldefels | 686.21 mi (1,104.36 km) |
| Postojna to Castello de Ampurias | 603.79 mi (971.71 km) |
| Postojna to Castellon de la Plana | 823.21 mi (1,324.82 km) |
| Postojna to Castilleja de la Cuesta | 1,192.25 mi (1,918.74 km) |
| Postojna to Catarroja | 862.23 mi (1,387.62 km) |
| Postojna to Catral | 931.50 mi (1,499.10 km) |
| Postojna to Caudete | 916.03 mi (1,474.21 km) |
| Postojna to Cehegin | 976.61 mi (1,571.70 km) |
