| Orzinuovi to Opwijk | 466.70 mi (751.08 km) |
| Orzinuovi to Ostend | 515.17 mi (829.09 km) |
| Orzinuovi to Oud-Heverlee | 446.89 mi (719.21 km) |
| Orzinuovi to Oud-Turnhout | 467.47 mi (752.32 km) |
| Orzinuovi to Oudenaarde | 476.20 mi (766.36 km) |
| Orzinuovi to Oudenburg | 510.66 mi (821.83 km) |
| Orzinuovi to Oupeye | 416.70 mi (670.61 km) |
| Orzinuovi to Overijse | 447.45 mi (720.10 km) |
| Orzinuovi to Overpelt | 452.12 mi (727.62 km) |
| Orzinuovi to Paal | 446.81 mi (719.07 km) |
| Orzinuovi to Peer | 446.28 mi (718.21 km) |
| Orzinuovi to Pepinster | 404.42 mi (650.86 km) |
| Orzinuovi to Peruwelz | 459.34 mi (739.23 km) |
| Orzinuovi to Perwez | 431.34 mi (694.17 km) |
| Orzinuovi to Philippeville | 414.99 mi (667.87 km) |
