| Wattrelos to Opwijk | 46.02 mi (74.06 km) |
| Wattrelos to Ostend | 38.57 mi (62.07 km) |
| Wattrelos to Oud-Heverlee | 64.02 mi (103.03 km) |
| Wattrelos to Oud-Turnhout | 87.81 mi (141.32 km) |
| Wattrelos to Oudenaarde | 19.68 mi (31.68 km) |
| Wattrelos to Oudenburg | 34.70 mi (55.85 km) |
| Wattrelos to Oupeye | 106.16 mi (170.85 km) |
| Wattrelos to Overijse | 57.84 mi (93.08 km) |
| Wattrelos to Overpelt | 102.17 mi (164.42 km) |
| Wattrelos to Paal | 88.44 mi (142.33 km) |
| Wattrelos to Peer | 101.91 mi (164.00 km) |
| Wattrelos to Pepinster | 114.30 mi (183.94 km) |
| Wattrelos to Peruwelz | 20.45 mi (32.92 km) |
| Wattrelos to Perwez | 70.18 mi (112.95 km) |
| Wattrelos to Philippeville | 68.06 mi (109.54 km) |
