| Wassenaar to Opwijk | 82.29 mi (132.43 km) |
| Wassenaar to Ostend | 89.99 mi (144.83 km) |
| Wassenaar to Oud-Heverlee | 91.70 mi (147.57 km) |
| Wassenaar to Oud-Turnhout | 62.75 mi (100.99 km) |
| Wassenaar to Oudenaarde | 96.19 mi (154.79 km) |
| Wassenaar to Oudenburg | 89.78 mi (144.48 km) |
| Wassenaar to Oupeye | 113.09 mi (182.00 km) |
| Wassenaar to Overijse | 94.60 mi (152.25 km) |
| Wassenaar to Overpelt | 77.81 mi (125.23 km) |
| Wassenaar to Paal | 83.61 mi (134.56 km) |
| Wassenaar to Peer | 83.55 mi (134.46 km) |
| Wassenaar to Pepinster | 125.31 mi (201.66 km) |
| Wassenaar to Peruwelz | 118.23 mi (190.27 km) |
| Wassenaar to Perwez | 106.94 mi (172.10 km) |
| Wassenaar to Philippeville | 134.89 mi (217.08 km) |
