| Oudenburg to Opwijk | 53.50 mi (86.11 km) |
| Oudenburg to Ostend | 4.56 mi (7.34 km) |
| Oudenburg to Oud-Heverlee | 76.39 mi (122.93 km) |
| Oudenburg to Oud-Turnhout | 86.26 mi (138.83 km) |
| Oudenburg to Oudenaarde | 34.79 mi (55.99 km) |
| Oudenburg to Oupeye | 119.64 mi (192.55 km) |
| Oudenburg to Overijse | 72.19 mi (116.18 km) |
| Oudenburg to Overpelt | 104.65 mi (168.42 km) |
| Oudenburg to Paal | 94.77 mi (152.52 km) |
| Oudenburg to Peer | 106.38 mi (171.19 km) |
| Oudenburg to Pepinster | 129.97 mi (209.17 km) |
| Oudenburg to Peruwelz | 52.62 mi (84.68 km) |
| Oudenburg to Perwez | 88.01 mi (141.64 km) |
| Oudenburg to Philippeville | 96.01 mi (154.51 km) |
| Oudenburg to Plombieres | 132.09 mi (212.57 km) |
