| Owasso to Orbetello | 5,319.87 mi (8,561.51 km) |
| Owasso to Oria | 5,661.09 mi (9,110.64 km) |
| Owasso to Oristano | 5,317.25 mi (8,557.28 km) |
| Owasso to Orta Nova | 5,547.73 mi (8,928.21 km) |
| Owasso to Orte | 5,366.09 mi (8,635.89 km) |
| Owasso to Ortona | 5,450.75 mi (8,772.14 km) |
| Owasso to Orvieto | 5,344.04 mi (8,600.40 km) |
| Owasso to Orzinuovi | 5,145.79 mi (8,281.36 km) |
| Owasso to Osimo | 5,365.31 mi (8,634.63 km) |
| Owasso to Ospitaletto | 5,144.89 mi (8,279.89 km) |
| Owasso to Ostuni | 5,648.41 mi (9,090.24 km) |
| Owasso to Ottaviano | 5,520.05 mi (8,883.66 km) |
| Owasso to Ovada | 5,125.96 mi (8,249.44 km) |
| Owasso to Ozieri | 5,306.53 mi (8,540.04 km) |
| Owasso to Paceco | 5,566.63 mi (8,958.62 km) |
