| Postojna to Noventa Vicentina | 134.12 mi (215.85 km) |
| Postojna to Novi di Modena | 172.05 mi (276.88 km) |
| Postojna to Novi Ligure | 273.08 mi (439.48 km) |
| Postojna to Nuoro | 450.35 mi (724.78 km) |
| Postojna to Occhiobello | 140.79 mi (226.58 km) |
| Postojna to Oderzo | 82.93 mi (133.46 km) |
| Postojna to Oggiono | 234.33 mi (377.12 km) |
| Postojna to Olbia | 410.70 mi (660.96 km) |
| Postojna to Oleggio | 269.56 mi (433.82 km) |
| Postojna to Olgiate Comasco | 252.79 mi (406.83 km) |
| Postojna to Olgiate Olona | 257.34 mi (414.15 km) |
| Postojna to Omegna | 279.60 mi (449.98 km) |
| Postojna to Opera | 243.13 mi (391.28 km) |
| Postojna to Oppeano | 150.29 mi (241.87 km) |
| Postojna to Orbassano | 328.19 mi (528.17 km) |
