| Rosamond to Orbetello | 6,213.68 mi (9,999.96 km) |
| Rosamond to Oria | 6,521.12 mi (10,494.73 km) |
| Rosamond to Oristano | 6,259.39 mi (10,073.52 km) |
| Rosamond to Orta Nova | 6,416.02 mi (10,325.58 km) |
| Rosamond to Orte | 6,250.16 mi (10,058.66 km) |
| Rosamond to Ortona | 6,319.22 mi (10,169.79 km) |
| Rosamond to Orvieto | 6,227.47 mi (10,022.15 km) |
| Rosamond to Orzinuovi | 6,015.75 mi (9,681.42 km) |
| Rosamond to Osimo | 6,228.85 mi (10,024.37 km) |
| Rosamond to Ospitaletto | 6,011.94 mi (9,675.28 km) |
| Rosamond to Ostuni | 6,506.41 mi (10,471.06 km) |
| Rosamond to Ottaviano | 6,404.24 mi (10,306.64 km) |
| Rosamond to Ovada | 6,014.66 mi (9,679.66 km) |
| Rosamond to Ozieri | 6,238.17 mi (10,039.36 km) |
| Rosamond to Paceco | 6,497.56 mi (10,456.82 km) |
