| Southfield to Orbetello | 4,531.93 mi (7,293.43 km) |
| Southfield to Oria | 4,876.26 mi (7,847.59 km) |
| Southfield to Oristano | 4,524.58 mi (7,281.61 km) |
| Southfield to Orta Nova | 4,762.24 mi (7,664.09 km) |
| Southfield to Orte | 4,579.21 mi (7,369.53 km) |
| Southfield to Ortona | 4,665.65 mi (7,508.64 km) |
| Southfield to Orvieto | 4,557.32 mi (7,334.30 km) |
| Southfield to Orzinuovi | 4,361.85 mi (7,019.72 km) |
| Southfield to Osimo | 4,581.30 mi (7,372.89 km) |
| Southfield to Ospitaletto | 4,361.39 mi (7,018.99 km) |
| Southfield to Ostuni | 4,863.93 mi (7,827.75 km) |
| Southfield to Ottaviano | 4,732.58 mi (7,616.35 km) |
| Southfield to Ovada | 4,339.40 mi (6,983.59 km) |
| Southfield to Ozieri | 4,514.70 mi (7,265.71 km) |
| Southfield to Paceco | 4,774.34 mi (7,683.55 km) |
