| Oswego to Nasaud | 5,042.34 mi (8,114.86 km) |
| Oswego to Navodari | 5,330.26 mi (8,578.22 km) |
| Oswego to Negresti-Oas | 4,981.25 mi (8,016.55 km) |
| Oswego to Nehoiu | 5,200.51 mi (8,369.41 km) |
| Oswego to Ocna Mures | 5,066.47 mi (8,153.70 km) |
| Oswego to Odobesti | 5,205.87 mi (8,378.04 km) |
| Oswego to Odorheiu Secuiesc | 5,119.41 mi (8,238.89 km) |
| Oswego to Oltenita | 5,274.45 mi (8,488.40 km) |
| Oswego to Onesti | 5,171.59 mi (8,322.87 km) |
| Oswego to Oradea | 4,967.25 mi (7,994.02 km) |
| Oswego to Orastie | 5,069.36 mi (8,158.35 km) |
| Oswego to Oravita | 5,054.11 mi (8,133.81 km) |
| Oswego to Orsova | 5,094.40 mi (8,198.64 km) |
| Oswego to Otelu Rosu | 5,055.32 mi (8,135.76 km) |
| Oswego to Otopeni | 5,231.97 mi (8,420.05 km) |
