| Ospitaletto to Opwijk | 461.41 mi (742.57 km) |
| Ospitaletto to Ostend | 510.62 mi (821.77 km) |
| Ospitaletto to Oud-Heverlee | 441.32 mi (710.24 km) |
| Ospitaletto to Oud-Turnhout | 461.15 mi (742.16 km) |
| Ospitaletto to Oudenaarde | 471.53 mi (758.85 km) |
| Ospitaletto to Oudenburg | 506.10 mi (814.49 km) |
| Ospitaletto to Oupeye | 410.31 mi (660.33 km) |
| Ospitaletto to Overijse | 442.05 mi (711.41 km) |
| Ospitaletto to Overpelt | 445.50 mi (716.97 km) |
| Ospitaletto to Paal | 440.57 mi (709.03 km) |
| Ospitaletto to Peer | 439.70 mi (707.62 km) |
| Ospitaletto to Pepinster | 398.00 mi (640.51 km) |
| Ospitaletto to Peruwelz | 455.08 mi (732.38 km) |
| Ospitaletto to Perwez | 425.84 mi (685.33 km) |
| Ospitaletto to Philippeville | 410.25 mi (660.24 km) |
