| Oberhausen to Opwijk | 121.89 mi (196.16 km) |
| Oberhausen to Ostend | 171.47 mi (275.95 km) |
| Oberhausen to Oud-Heverlee | 105.91 mi (170.45 km) |
| Oberhausen to Oud-Turnhout | 82.28 mi (132.42 km) |
| Oberhausen to Oudenaarde | 148.54 mi (239.06 km) |
| Oberhausen to Oudenburg | 168.44 mi (271.08 km) |
| Oberhausen to Oupeye | 76.18 mi (122.60 km) |
| Oberhausen to Overijse | 112.67 mi (181.32 km) |
| Oberhausen to Overpelt | 65.65 mi (105.65 km) |
| Oberhausen to Paal | 79.91 mi (128.60 km) |
| Oberhausen to Peer | 66.16 mi (106.47 km) |
| Oberhausen to Pepinster | 78.90 mi (126.98 km) |
| Oberhausen to Peruwelz | 158.13 mi (254.48 km) |
| Oberhausen to Perwez | 107.71 mi (173.35 km) |
| Oberhausen to Philippeville | 135.17 mi (217.54 km) |
