| Wallenhorst to Opwijk | 190.05 mi (305.85 km) |
| Wallenhorst to Ostend | 231.23 mi (372.12 km) |
| Wallenhorst to Oud-Heverlee | 177.90 mi (286.31 km) |
| Wallenhorst to Oud-Turnhout | 147.87 mi (237.98 km) |
| Wallenhorst to Oudenaarde | 215.98 mi (347.59 km) |
| Wallenhorst to Oudenburg | 229.10 mi (368.70 km) |
| Wallenhorst to Oupeye | 152.55 mi (245.50 km) |
| Wallenhorst to Overijse | 184.63 mi (297.13 km) |
| Wallenhorst to Overpelt | 135.94 mi (218.77 km) |
| Wallenhorst to Paal | 151.76 mi (244.24 km) |
| Wallenhorst to Peer | 138.18 mi (222.38 km) |
| Wallenhorst to Pepinster | 155.39 mi (250.08 km) |
| Wallenhorst to Peruwelz | 229.09 mi (368.69 km) |
| Wallenhorst to Perwez | 182.16 mi (293.16 km) |
| Wallenhorst to Philippeville | 210.95 mi (339.50 km) |
