| Winter Springs to Orbetello | 5,029.20 mi (8,093.71 km) |
| Winter Springs to Oria | 5,386.78 mi (8,669.19 km) |
| Winter Springs to Oristano | 4,972.33 mi (8,002.20 km) |
| Winter Springs to Orta Nova | 5,271.32 mi (8,483.37 km) |
| Winter Springs to Orte | 5,083.37 mi (8,180.89 km) |
| Winter Springs to Ortona | 5,179.88 mi (8,336.21 km) |
| Winter Springs to Orvieto | 5,063.30 mi (8,148.59 km) |
| Winter Springs to Orzinuovi | 4,891.78 mi (7,872.56 km) |
| Winter Springs to Osimo | 5,104.83 mi (8,215.43 km) |
| Winter Springs to Ospitaletto | 4,894.10 mi (7,876.29 km) |
| Winter Springs to Ostuni | 5,377.00 mi (8,653.44 km) |
| Winter Springs to Ottaviano | 5,228.16 mi (8,413.91 km) |
| Winter Springs to Ovada | 4,852.56 mi (7,809.44 km) |
| Winter Springs to Ozieri | 4,974.25 mi (8,005.28 km) |
| Winter Springs to Paceco | 5,220.67 mi (8,401.85 km) |
