| Oldenburg in Holstein to Opwijk | 363.02 mi (584.23 km) |
| Oldenburg in Holstein to Ostend | 394.59 mi (635.04 km) |
| Oldenburg in Holstein to Oud-Heverlee | 354.07 mi (569.82 km) |
| Oldenburg in Holstein to Oud-Turnhout | 321.08 mi (516.72 km) |
| Oldenburg in Holstein to Oudenaarde | 387.42 mi (623.50 km) |
| Oldenburg in Holstein to Oudenburg | 393.49 mi (633.27 km) |
| Oldenburg in Holstein to Oupeye | 331.72 mi (533.85 km) |
| Oldenburg in Holstein to Overijse | 360.64 mi (580.39 km) |
| Oldenburg in Holstein to Overpelt | 312.30 mi (502.59 km) |
| Oldenburg in Holstein to Paal | 328.45 mi (528.60 km) |
| Oldenburg in Holstein to Peer | 315.32 mi (507.46 km) |
| Oldenburg in Holstein to Pepinster | 334.62 mi (538.52 km) |
| Oldenburg in Holstein to Peruwelz | 403.38 mi (649.17 km) |
| Oldenburg in Holstein to Perwez | 359.99 mi (579.35 km) |
| Oldenburg in Holstein to Philippeville | 389.60 mi (627.00 km) |
