| Cities | Distance |
|---|---|
| Postojna to Orbetello | 274.38 mi (441.58 km) |
| Postojna to Oria | 403.15 mi (648.80 km) |
| Postojna to Oristano | 495.32 mi (797.14 km) |
| Postojna to Orta Nova | 316.13 mi (508.77 km) |
| Postojna to Orte | 246.35 mi (396.47 km) |
| Postojna to Ortona | 236.89 mi (381.23 km) |
| Postojna to Orvieto | 235.50 mi (378.99 km) |
| Postojna to Orzinuovi | 208.57 mi (335.65 km) |
| Postojna to Osimo | 162.42 mi (261.39 km) |
| Postojna to Ospitaletto | 200.48 mi (322.64 km) |
| Postojna to Ostuni | 387.39 mi (623.44 km) |
| Postojna to Ottaviano | 340.60 mi (548.15 km) |
| Postojna to Ovada | 282.09 mi (453.98 km) |
| Postojna to Ozieri | 444.25 mi (714.95 km) |
| Postojna to Paceco | 545.14 mi (877.32 km) |