| Endicott to Orbetello | 4,243.58 mi (6,829.39 km) |
| Endicott to Oria | 4,593.59 mi (7,392.67 km) |
| Endicott to Oristano | 4,222.44 mi (6,795.36 km) |
| Endicott to Orta Nova | 4,478.58 mi (7,207.57 km) |
| Endicott to Orte | 4,293.15 mi (6,909.16 km) |
| Endicott to Ortona | 4,383.08 mi (7,053.88 km) |
| Endicott to Orvieto | 4,271.70 mi (6,874.64 km) |
| Endicott to Orzinuovi | 4,082.63 mi (6,570.36 km) |
| Endicott to Osimo | 4,301.18 mi (6,922.09 km) |
| Endicott to Ospitaletto | 4,083.06 mi (6,571.05 km) |
| Endicott to Ostuni | 4,581.97 mi (7,373.97 km) |
| Endicott to Ottaviano | 4,444.75 mi (7,153.13 km) |
| Endicott to Ovada | 4,054.83 mi (6,525.61 km) |
| Endicott to Ozieri | 4,215.64 mi (6,784.42 km) |
| Endicott to Paceco | 4,473.07 mi (7,198.72 km) |
