| Orbassano to Opwijk | 439.87 mi (707.91 km) |
| Orbassano to Ostend | 479.32 mi (771.39 km) |
| Orbassano to Oud-Heverlee | 423.82 mi (682.08 km) |
| Orbassano to Oud-Turnhout | 451.47 mi (726.57 km) |
| Orbassano to Oudenaarde | 442.77 mi (712.57 km) |
| Orbassano to Oudenburg | 475.09 mi (764.58 km) |
| Orbassano to Oupeye | 403.53 mi (649.42 km) |
| Orbassano to Overijse | 422.55 mi (680.03 km) |
| Orbassano to Overpelt | 439.98 mi (708.09 km) |
| Orbassano to Paal | 430.78 mi (693.28 km) |
| Orbassano to Peer | 433.97 mi (698.41 km) |
| Orbassano to Pepinster | 392.30 mi (631.35 km) |
| Orbassano to Peruwelz | 422.49 mi (679.93 km) |
| Orbassano to Perwez | 408.04 mi (656.68 km) |
| Orbassano to Philippeville | 384.74 mi (619.17 km) |
