| Claye-Souilly to Opwijk | 154.71 mi (248.98 km) |
| Claye-Souilly to Ostend | 157.93 mi (254.16 km) |
| Claye-Souilly to Oud-Heverlee | 157.44 mi (253.37 km) |
| Claye-Souilly to Oud-Turnhout | 192.85 mi (310.36 km) |
| Claye-Souilly to Oudenaarde | 137.75 mi (221.69 km) |
| Claye-Souilly to Oudenburg | 155.27 mi (249.89 km) |
| Claye-Souilly to Oupeye | 179.44 mi (288.78 km) |
| Claye-Souilly to Overijse | 151.30 mi (243.50 km) |
| Claye-Souilly to Overpelt | 198.18 mi (318.94 km) |
| Claye-Souilly to Paal | 182.00 mi (292.90 km) |
| Claye-Souilly to Peer | 194.72 mi (313.37 km) |
| Claye-Souilly to Pepinster | 179.07 mi (288.18 km) |
| Claye-Souilly to Peruwelz | 115.74 mi (186.26 km) |
| Claye-Souilly to Perwez | 149.90 mi (241.24 km) |
| Claye-Souilly to Philippeville | 120.36 mi (193.71 km) |
