| Otsego to Orbetello | 4,818.04 mi (7,753.88 km) |
| Otsego to Oria | 5,146.97 mi (8,283.25 km) |
| Otsego to Oristano | 4,838.60 mi (7,786.98 km) |
| Otsego to Orta Nova | 5,036.29 mi (8,105.12 km) |
| Otsego to Orte | 4,860.23 mi (7,821.78 km) |
| Otsego to Ortona | 4,938.75 mi (7,948.15 km) |
| Otsego to Orvieto | 4,837.76 mi (7,785.61 km) |
| Otsego to Orzinuovi | 4,632.41 mi (7,455.14 km) |
| Otsego to Osimo | 4,850.69 mi (7,806.43 km) |
| Otsego to Ospitaletto | 4,630.26 mi (7,451.69 km) |
| Otsego to Ostuni | 5,133.39 mi (8,261.39 km) |
| Otsego to Ottaviano | 5,015.23 mi (8,071.23 km) |
| Otsego to Ovada | 4,620.59 mi (7,436.12 km) |
| Otsego to Ozieri | 4,822.52 mi (7,761.10 km) |
| Otsego to Paceco | 5,083.78 mi (8,181.55 km) |
