| Postojna to Castelfidardo | 163.06 mi (262.42 km) |
| Postojna to Castelfiorentino | 219.15 mi (352.69 km) |
| Postojna to Castelfranco di Sopra | 197.77 mi (318.28 km) |
| Postojna to Castelfranco di Sotto | 222.38 mi (357.89 km) |
| Postojna to Castelfranco Emilia | 174.14 mi (280.25 km) |
| Postojna to Castelfranco Veneto | 110.26 mi (177.44 km) |
| Postojna to Castellabate | 381.63 mi (614.18 km) |
| Postojna to Castellammare del Golfo | 539.79 mi (868.70 km) |
| Postojna to Castellammare di Stabia | 351.33 mi (565.42 km) |
| Postojna to Castellamonte | 315.51 mi (507.76 km) |
| Postojna to Castellana Grotte | 369.12 mi (594.04 km) |
| Postojna to Castellaneta | 380.74 mi (612.74 km) |
| Postojna to Castellanza | 256.62 mi (412.99 km) |
| Postojna to Castellarano | 186.80 mi (300.62 km) |
| Postojna to Castelleone | 218.01 mi (350.86 km) |
