| Garbagnate Milanese to Opwijk | 434.99 mi (700.05 km) |
| Garbagnate Milanese to Ostend | 481.53 mi (774.94 km) |
| Garbagnate Milanese to Oud-Heverlee | 416.01 mi (669.51 km) |
| Garbagnate Milanese to Oud-Turnhout | 438.62 mi (705.90 km) |
| Garbagnate Milanese to Oudenaarde | 442.92 mi (712.81 km) |
| Garbagnate Milanese to Oudenburg | 477.06 mi (767.75 km) |
| Garbagnate Milanese to Oupeye | 388.25 mi (624.83 km) |
| Garbagnate Milanese to Overijse | 416.10 mi (669.65 km) |
| Garbagnate Milanese to Overpelt | 424.24 mi (682.76 km) |
| Garbagnate Milanese to Paal | 417.81 mi (672.40 km) |
| Garbagnate Milanese to Peer | 418.31 mi (673.21 km) |
| Garbagnate Milanese to Pepinster | 376.16 mi (605.37 km) |
| Garbagnate Milanese to Peruwelz | 425.16 mi (684.23 km) |
| Garbagnate Milanese to Perwez | 400.28 mi (644.19 km) |
| Garbagnate Milanese to Philippeville | 382.07 mi (614.88 km) |
