| Ploiesti to Opwijk | 1,087.82 mi (1,750.68 km) |
| Ploiesti to Ostend | 1,145.33 mi (1,843.24 km) |
| Ploiesti to Oud-Heverlee | 1,065.15 mi (1,714.19 km) |
| Ploiesti to Oud-Turnhout | 1,060.65 mi (1,706.95 km) |
| Ploiesti to Oudenaarde | 1,110.67 mi (1,787.46 km) |
| Ploiesti to Oudenburg | 1,141.27 mi (1,836.69 km) |
| Ploiesti to Oupeye | 1,021.68 mi (1,644.24 km) |
| Ploiesti to Overijse | 1,069.97 mi (1,721.94 km) |
| Ploiesti to Overpelt | 1,040.72 mi (1,674.88 km) |
| Ploiesti to Paal | 1,047.50 mi (1,685.78 km) |
| Ploiesti to Peer | 1,037.55 mi (1,669.78 km) |
| Ploiesti to Pepinster | 1,011.82 mi (1,628.36 km) |
| Ploiesti to Peruwelz | 1,106.50 mi (1,780.75 km) |
| Ploiesti to Perwez | 1,055.38 mi (1,698.48 km) |
| Ploiesti to Philippeville | 1,060.34 mi (1,706.45 km) |
