| Biscarrosse to Opwijk | 517.52 mi (832.87 km) |
| Biscarrosse to Ostend | 508.50 mi (818.34 km) |
| Biscarrosse to Oud-Heverlee | 520.93 mi (838.35 km) |
| Biscarrosse to Oud-Turnhout | 556.38 mi (895.41 km) |
| Biscarrosse to Oudenaarde | 497.99 mi (801.44 km) |
| Biscarrosse to Oudenburg | 507.21 mi (816.27 km) |
| Biscarrosse to Oupeye | 539.10 mi (867.59 km) |
| Biscarrosse to Overijse | 514.84 mi (828.55 km) |
| Biscarrosse to Overpelt | 561.22 mi (903.20 km) |
| Biscarrosse to Paal | 545.10 mi (877.26 km) |
| Biscarrosse to Peer | 557.45 mi (897.12 km) |
| Biscarrosse to Pepinster | 536.34 mi (863.16 km) |
| Biscarrosse to Peruwelz | 477.46 mi (768.40 km) |
| Biscarrosse to Perwez | 512.66 mi (825.05 km) |
| Biscarrosse to Philippeville | 482.03 mi (775.76 km) |
