| Cities | Distance |
|---|---|
| Piran to Oerlinghausen | 497.48 mi (800.61 km) |
| Piran to Oestrich-Winkel | 402.68 mi (648.05 km) |
| Piran to Offenburg | 334.11 mi (537.70 km) |
| Piran to Oftersheim | 352.97 mi (568.05 km) |
| Piran to Ohrdruf | 388.71 mi (625.57 km) |
| Piran to Ohringen | 317.09 mi (510.30 km) |
| Piran to Olbernhau | 355.19 mi (571.63 km) |
| Piran to Olching | 213.03 mi (342.83 km) |
| Piran to Oldenburg | 578.38 mi (930.82 km) |
| Piran to Oldenburg in Holstein | 617.61 mi (993.94 km) |
| Piran to Olfen | 512.05 mi (824.07 km) |
| Piran to Olpe | 461.60 mi (742.87 km) |
| Piran to Olsberg | 464.63 mi (747.75 km) |
| Piran to Oranienburg | 499.50 mi (803.86 km) |
| Piran to Ortenberg | 393.39 mi (633.09 km) |