| Welkenraedt to Opwijk | 80.87 mi (130.15 km) |
| Welkenraedt to Ostend | 138.48 mi (222.86 km) |
| Welkenraedt to Oud-Heverlee | 58.27 mi (93.78 km) |
| Welkenraedt to Oud-Turnhout | 62.46 mi (100.53 km) |
| Welkenraedt to Oudenaarde | 104.47 mi (168.13 km) |
| Welkenraedt to Oudenburg | 134.35 mi (216.22 km) |
| Welkenraedt to Oupeye | 14.74 mi (23.73 km) |
| Welkenraedt to Overijse | 63.47 mi (102.15 km) |
| Welkenraedt to Overpelt | 45.38 mi (73.04 km) |
| Welkenraedt to Paal | 43.56 mi (70.11 km) |
| Welkenraedt to Peer | 39.67 mi (63.84 km) |
| Welkenraedt to Pepinster | 9.39 mi (15.11 km) |
| Welkenraedt to Peruwelz | 105.22 mi (169.34 km) |
| Welkenraedt to Perwez | 50.73 mi (81.64 km) |
| Welkenraedt to Philippeville | 70.19 mi (112.96 km) |
