| Florence to Octeville | 731.39 mi (1,177.06 km) |
| Florence to Oignies | 603.39 mi (971.07 km) |
| Florence to Oissel | 616.57 mi (992.27 km) |
| Florence to Olivet | 531.26 mi (854.98 km) |
| Florence to Ollioules | 274.65 mi (442.00 km) |
| Florence to Olonne-sur-Mer | 661.96 mi (1,065.33 km) |
| Florence to Oloron-Sainte-Marie | 595.44 mi (958.27 km) |
| Florence to Onet Village | 431.70 mi (694.75 km) |
| Florence to Onnaing | 581.38 mi (935.64 km) |
| Florence to Orange | 321.46 mi (517.34 km) |
| Florence to Orchies | 596.21 mi (959.51 km) |
| Florence to Orleans | 532.21 mi (856.50 km) |
| Florence to Orly | 544.59 mi (876.43 km) |
| Florence to Ormesson-sur-Marne | 540.95 mi (870.57 km) |
| Florence to Orsay | 550.40 mi (885.78 km) |
