| Sebring to Orbetello | 5,091.20 mi (8,193.49 km) |
| Sebring to Oria | 5,449.08 mi (8,769.45 km) |
| Sebring to Oristano | 5,030.99 mi (8,096.60 km) |
| Sebring to Orta Nova | 5,333.72 mi (8,583.79 km) |
| Sebring to Orte | 5,145.75 mi (8,281.28 km) |
| Sebring to Ortona | 5,242.79 mi (8,437.45 km) |
| Sebring to Orvieto | 5,125.84 mi (8,249.24 km) |
| Sebring to Orzinuovi | 4,956.24 mi (7,976.30 km) |
| Sebring to Osimo | 5,168.49 mi (8,317.89 km) |
| Sebring to Ospitaletto | 4,958.74 mi (7,980.32 km) |
| Sebring to Ostuni | 5,439.49 mi (8,754.01 km) |
| Sebring to Ottaviano | 5,289.69 mi (8,512.94 km) |
| Sebring to Ovada | 4,915.96 mi (7,911.48 km) |
| Sebring to Ozieri | 5,033.74 mi (8,101.02 km) |
| Sebring to Paceco | 5,278.74 mi (8,495.31 km) |
