| Cities | Distance |
|---|---|
| Piran to Orbetello | 243.42 mi (391.74 km) |
| Piran to Oria | 403.45 mi (649.29 km) |
| Piran to Oristano | 463.18 mi (745.42 km) |
| Piran to Orta Nova | 309.28 mi (497.74 km) |
| Piran to Orte | 219.97 mi (354.00 km) |
| Piran to Ortona | 223.46 mi (359.62 km) |
| Piran to Orvieto | 207.17 mi (333.41 km) |
| Piran to Orzinuovi | 176.36 mi (283.82 km) |
| Piran to Osimo | 141.36 mi (227.49 km) |
| Piran to Ospitaletto | 169.13 mi (272.18 km) |
| Piran to Ostuni | 388.14 mi (624.65 km) |
| Piran to Ottaviano | 326.46 mi (525.39 km) |
| Piran to Ovada | 247.80 mi (398.80 km) |
| Piran to Ozieri | 411.88 mi (662.85 km) |
| Piran to Paceco | 523.93 mi (843.19 km) |