| Dobbs Ferry to Orbetello | 4,188.59 mi (6,740.88 km) |
| Dobbs Ferry to Oria | 4,541.08 mi (7,308.16 km) |
| Dobbs Ferry to Oristano | 4,159.63 mi (6,694.28 km) |
| Dobbs Ferry to Orta Nova | 4,425.73 mi (7,122.52 km) |
| Dobbs Ferry to Orte | 4,239.33 mi (6,822.54 km) |
| Dobbs Ferry to Ortona | 4,330.99 mi (6,970.05 km) |
| Dobbs Ferry to Orvieto | 4,218.15 mi (6,788.46 km) |
| Dobbs Ferry to Orzinuovi | 4,032.92 mi (6,490.37 km) |
| Dobbs Ferry to Osimo | 4,250.57 mi (6,840.64 km) |
| Dobbs Ferry to Ospitaletto | 4,033.83 mi (6,491.82 km) |
| Dobbs Ferry to Ostuni | 4,529.87 mi (7,290.12 km) |
| Dobbs Ferry to Ottaviano | 4,389.68 mi (7,064.51 km) |
| Dobbs Ferry to Ovada | 4,002.26 mi (6,441.02 km) |
| Dobbs Ferry to Ozieri | 4,154.64 mi (6,686.24 km) |
| Dobbs Ferry to Paceco | 4,410.37 mi (7,097.81 km) |
