| Altlandsberg to Opwijk | 422.69 mi (680.25 km) |
| Altlandsberg to Ostend | 469.80 mi (756.07 km) |
| Altlandsberg to Oud-Heverlee | 405.98 mi (653.36 km) |
| Altlandsberg to Oud-Turnhout | 382.30 mi (615.25 km) |
| Altlandsberg to Oudenaarde | 449.34 mi (723.14 km) |
| Altlandsberg to Oudenburg | 467.24 mi (751.95 km) |
| Altlandsberg to Oupeye | 369.66 mi (594.92 km) |
| Altlandsberg to Overijse | 412.65 mi (664.10 km) |
| Altlandsberg to Overpelt | 366.45 mi (589.74 km) |
| Altlandsberg to Paal | 380.40 mi (612.19 km) |
| Altlandsberg to Peer | 366.77 mi (590.25 km) |
| Altlandsberg to Pepinster | 366.76 mi (590.25 km) |
| Altlandsberg to Peruwelz | 458.12 mi (737.28 km) |
| Altlandsberg to Perwez | 405.30 mi (652.27 km) |
| Altlandsberg to Philippeville | 428.04 mi (688.86 km) |
