| Bretigny-sur-Orge to Opwijk | 183.00 mi (294.52 km) |
| Bretigny-sur-Orge to Ostend | 182.69 mi (294.00 km) |
| Bretigny-sur-Orge to Oud-Heverlee | 186.23 mi (299.70 km) |
| Bretigny-sur-Orge to Oud-Turnhout | 221.55 mi (356.55 km) |
| Bretigny-sur-Orge to Oudenaarde | 165.11 mi (265.72 km) |
| Bretigny-sur-Orge to Oudenburg | 180.36 mi (290.27 km) |
| Bretigny-sur-Orge to Oupeye | 207.97 mi (334.70 km) |
| Bretigny-sur-Orge to Overijse | 180.06 mi (289.78 km) |
| Bretigny-sur-Orge to Overpelt | 227.02 mi (365.36 km) |
| Bretigny-sur-Orge to Paal | 210.84 mi (339.31 km) |
| Bretigny-sur-Orge to Peer | 223.56 mi (359.78 km) |
| Bretigny-sur-Orge to Pepinster | 207.27 mi (333.58 km) |
| Bretigny-sur-Orge to Peruwelz | 143.55 mi (231.01 km) |
| Bretigny-sur-Orge to Perwez | 178.74 mi (287.65 km) |
| Bretigny-sur-Orge to Philippeville | 149.07 mi (239.91 km) |
