| Calcinato to Opwijk | 476.26 mi (766.47 km) |
| Calcinato to Ostend | 526.04 mi (846.59 km) |
| Calcinato to Oud-Heverlee | 455.93 mi (733.75 km) |
| Calcinato to Oud-Turnhout | 475.05 mi (764.52 km) |
| Calcinato to Oudenaarde | 486.87 mi (783.55 km) |
| Calcinato to Oudenburg | 521.51 mi (839.29 km) |
| Calcinato to Oupeye | 424.17 mi (682.64 km) |
| Calcinato to Overijse | 456.81 mi (735.17 km) |
| Calcinato to Overpelt | 459.10 mi (738.85 km) |
| Calcinato to Paal | 454.56 mi (731.54 km) |
| Calcinato to Peer | 453.33 mi (729.57 km) |
| Calcinato to Pepinster | 411.82 mi (662.77 km) |
| Calcinato to Peruwelz | 470.73 mi (757.57 km) |
| Calcinato to Perwez | 440.54 mi (708.98 km) |
| Calcinato to Philippeville | 425.57 mi (684.89 km) |
