| Garbagnate Milanese to Octeville | 571.89 mi (920.36 km) |
| Garbagnate Milanese to Oignies | 439.46 mi (707.25 km) |
| Garbagnate Milanese to Oissel | 454.56 mi (731.55 km) |
| Garbagnate Milanese to Olivet | 374.85 mi (603.26 km) |
| Garbagnate Milanese to Ollioules | 232.12 mi (373.57 km) |
| Garbagnate Milanese to Olonne-sur-Mer | 524.20 mi (843.62 km) |
| Garbagnate Milanese to Oloron-Sainte-Marie | 505.52 mi (813.56 km) |
| Garbagnate Milanese to Onet Village | 327.89 mi (527.68 km) |
| Garbagnate Milanese to Onnaing | 417.83 mi (672.44 km) |
| Garbagnate Milanese to Orange | 231.59 mi (372.71 km) |
| Garbagnate Milanese to Orchies | 432.46 mi (695.98 km) |
| Garbagnate Milanese to Orleans | 375.51 mi (604.32 km) |
| Garbagnate Milanese to Orly | 382.68 mi (615.86 km) |
| Garbagnate Milanese to Ormesson-sur-Marne | 378.68 mi (609.43 km) |
| Garbagnate Milanese to Orsay | 388.97 mi (625.99 km) |
