| Saronno to Octeville | 568.26 mi (914.53 km) |
| Saronno to Oignies | 435.51 mi (700.88 km) |
| Saronno to Oissel | 450.82 mi (725.53 km) |
| Saronno to Olivet | 371.40 mi (597.72 km) |
| Saronno to Ollioules | 233.03 mi (375.02 km) |
| Saronno to Olonne-sur-Mer | 521.46 mi (839.21 km) |
| Saronno to Oloron-Sainte-Marie | 504.37 mi (811.70 km) |
| Saronno to Onet Village | 326.53 mi (525.51 km) |
| Saronno to Onnaing | 413.87 mi (666.05 km) |
| Saronno to Orange | 231.02 mi (371.79 km) |
| Saronno to Orchies | 428.49 mi (689.59 km) |
| Saronno to Orleans | 372.05 mi (598.76 km) |
| Saronno to Orly | 378.95 mi (609.86 km) |
| Saronno to Ormesson-sur-Marne | 374.93 mi (603.39 km) |
| Saronno to Orsay | 385.27 mi (620.04 km) |
