| Soisy-sous-Montmorency to Opwijk | 160.30 mi (257.98 km) |
| Soisy-sous-Montmorency to Ostend | 157.05 mi (252.75 km) |
| Soisy-sous-Montmorency to Oud-Heverlee | 165.36 mi (266.13 km) |
| Soisy-sous-Montmorency to Oud-Turnhout | 199.99 mi (321.85 km) |
| Soisy-sous-Montmorency to Oudenaarde | 141.07 mi (227.02 km) |
| Soisy-sous-Montmorency to Oudenburg | 154.84 mi (249.19 km) |
| Soisy-sous-Montmorency to Oupeye | 190.54 mi (306.65 km) |
| Soisy-sous-Montmorency to Overijse | 158.97 mi (255.84 km) |
| Soisy-sous-Montmorency to Overpelt | 206.84 mi (332.88 km) |
| Soisy-sous-Montmorency to Paal | 190.66 mi (306.84 km) |
| Soisy-sous-Montmorency to Peer | 203.77 mi (327.93 km) |
| Soisy-sous-Montmorency to Pepinster | 191.08 mi (307.52 km) |
| Soisy-sous-Montmorency to Peruwelz | 120.17 mi (193.40 km) |
| Soisy-sous-Montmorency to Perwez | 159.24 mi (256.27 km) |
| Soisy-sous-Montmorency to Philippeville | 131.03 mi (210.88 km) |
