| Collecchio to Opwijk | 512.19 mi (824.28 km) |
| Collecchio to Ostend | 559.84 mi (900.97 km) |
| Collecchio to Oud-Heverlee | 492.66 mi (792.86 km) |
| Collecchio to Oud-Turnhout | 513.81 mi (826.89 km) |
| Collecchio to Oudenaarde | 521.03 mi (838.51 km) |
| Collecchio to Oudenburg | 555.35 mi (893.75 km) |
| Collecchio to Oupeye | 463.10 mi (745.28 km) |
| Collecchio to Overijse | 493.06 mi (793.50 km) |
| Collecchio to Overpelt | 498.65 mi (802.50 km) |
| Collecchio to Paal | 493.10 mi (793.57 km) |
| Collecchio to Peer | 492.79 mi (793.07 km) |
| Collecchio to Pepinster | 450.86 mi (725.58 km) |
| Collecchio to Peruwelz | 503.70 mi (810.63 km) |
| Collecchio to Perwez | 477.04 mi (767.72 km) |
| Collecchio to Philippeville | 459.95 mi (740.23 km) |
