| Miamisburg to Orbetello | 4,691.94 mi (7,550.95 km) |
| Miamisburg to Oria | 5,039.39 mi (8,110.12 km) |
| Miamisburg to Oristano | 4,676.64 mi (7,526.33 km) |
| Miamisburg to Orta Nova | 4,924.81 mi (7,925.72 km) |
| Miamisburg to Orte | 4,740.45 mi (7,629.02 km) |
| Miamisburg to Ortona | 4,828.72 mi (7,771.07 km) |
| Miamisburg to Orvieto | 4,718.78 mi (7,594.14 km) |
| Miamisburg to Orzinuovi | 4,526.40 mi (7,284.53 km) |
| Miamisburg to Osimo | 4,745.54 mi (7,637.21 km) |
| Miamisburg to Ospitaletto | 4,526.37 mi (7,284.48 km) |
| Miamisburg to Ostuni | 5,027.42 mi (8,090.85 km) |
| Miamisburg to Ottaviano | 4,892.97 mi (7,874.47 km) |
| Miamisburg to Ovada | 4,501.28 mi (7,244.10 km) |
| Miamisburg to Ozieri | 4,668.64 mi (7,513.46 km) |
| Miamisburg to Paceco | 4,927.05 mi (7,929.31 km) |
