| Cities | Distance |
|---|
| Ploiesti to Orbetello | 758.66 mi (1,220.94 km) |
| Ploiesti to Oria | 524.43 mi (843.99 km) |
| Ploiesti to Oristano | 952.29 mi (1,532.56 km) |
| Ploiesti to Orta Nova | 576.05 mi (927.07 km) |
| Ploiesti to Orte | 701.46 mi (1,128.88 km) |
| Ploiesti to Ortona | 607.42 mi (977.55 km) |
| Ploiesti to Orvieto | 709.28 mi (1,141.48 km) |
| Ploiesti to Orzinuovi | 783.05 mi (1,260.20 km) |
| Ploiesti to Osimo | 628.44 mi (1,011.38 km) |
| Ploiesti to Ospitaletto | 775.72 mi (1,248.39 km) |
| Ploiesti to Ostuni | 516.62 mi (831.42 km) |
| Ploiesti to Ottaviano | 648.34 mi (1,043.40 km) |
| Ploiesti to Ovada | 850.66 mi (1,369.01 km) |
| Ploiesti to Ozieri | 912.19 mi (1,468.03 km) |
| Ploiesti to Paceco | 845.42 mi (1,360.58 km) |
