| Sesto Fiorentino to Orbetello | 96.31 mi (155.00 km) |
| Sesto Fiorentino to Oria | 401.78 mi (646.61 km) |
| Sesto Fiorentino to Oristano | 302.69 mi (487.14 km) |
| Sesto Fiorentino to Orta Nova | 287.28 mi (462.33 km) |
| Sesto Fiorentino to Orte | 112.13 mi (180.46 km) |
| Sesto Fiorentino to Ortona | 191.22 mi (307.74 km) |
| Sesto Fiorentino to Orvieto | 89.62 mi (144.23 km) |
| Sesto Fiorentino to Orzinuovi | 124.89 mi (200.99 km) |
| Sesto Fiorentino to Osimo | 116.66 mi (187.75 km) |
| Sesto Fiorentino to Ospitaletto | 131.22 mi (211.17 km) |
| Sesto Fiorentino to Ostuni | 390.14 mi (627.86 km) |
| Sesto Fiorentino to Ottaviano | 265.48 mi (427.25 km) |
| Sesto Fiorentino to Ovada | 138.12 mi (222.29 km) |
| Sesto Fiorentino to Ozieri | 251.00 mi (403.94 km) |
| Sesto Fiorentino to Paceco | 410.28 mi (660.28 km) |
