| Sommacampagna to Opwijk | 491.78 mi (791.44 km) |
| Sommacampagna to Ostend | 542.37 mi (872.86 km) |
| Sommacampagna to Oud-Heverlee | 471.11 mi (758.18 km) |
| Sommacampagna to Oud-Turnhout | 489.21 mi (787.30 km) |
| Sommacampagna to Oudenaarde | 503.11 mi (809.68 km) |
| Sommacampagna to Oudenburg | 537.82 mi (865.54 km) |
| Sommacampagna to Oupeye | 438.33 mi (705.42 km) |
| Sommacampagna to Overijse | 472.21 mi (759.95 km) |
| Sommacampagna to Overpelt | 472.84 mi (760.97 km) |
| Sommacampagna to Paal | 468.85 mi (754.55 km) |
| Sommacampagna to Peer | 467.15 mi (751.80 km) |
| Sommacampagna to Pepinster | 425.95 mi (685.50 km) |
| Sommacampagna to Peruwelz | 487.44 mi (784.46 km) |
| Sommacampagna to Perwez | 455.85 mi (733.63 km) |
| Sommacampagna to Philippeville | 441.82 mi (711.04 km) |
