| Altotting to Opwijk | 424.59 mi (683.31 km) |
| Altotting to Ostend | 482.12 mi (775.89 km) |
| Altotting to Oud-Heverlee | 401.60 mi (646.31 km) |
| Altotting to Oud-Turnhout | 404.02 mi (650.21 km) |
| Altotting to Oudenaarde | 445.19 mi (716.46 km) |
| Altotting to Oudenburg | 477.79 mi (768.93 km) |
| Altotting to Oupeye | 359.22 mi (578.11 km) |
| Altotting to Overijse | 405.60 mi (652.75 km) |
| Altotting to Overpelt | 384.30 mi (618.47 km) |
| Altotting to Paal | 387.77 mi (624.05 km) |
| Altotting to Peer | 380.06 mi (611.66 km) |
| Altotting to Pepinster | 348.15 mi (560.29 km) |
| Altotting to Peruwelz | 438.35 mi (705.46 km) |
| Altotting to Perwez | 390.02 mi (627.67 km) |
| Altotting to Philippeville | 391.13 mi (629.47 km) |
