| Oswego to Oberkirch | 4,401.47 mi (7,083.48 km) |
| Oswego to Obernburg am Main | 4,390.31 mi (7,065.52 km) |
| Oswego to Obernkirchen | 4,296.49 mi (6,914.54 km) |
| Oswego to Oberschleissheim | 4,543.38 mi (7,311.86 km) |
| Oswego to Oberstdorf | 4,529.19 mi (7,289.03 km) |
| Oswego to Obertraubling | 4,536.25 mi (7,300.38 km) |
| Oswego to Obertshausen | 4,370.19 mi (7,033.14 km) |
| Oswego to Oberursel | 4,355.51 mi (7,009.51 km) |
| Oswego to Ochsenfurt | 4,431.79 mi (7,132.28 km) |
| Oswego to Ochsenhausen | 4,490.05 mi (7,226.03 km) |
| Oswego to Ochtrup | 4,230.02 mi (6,807.57 km) |
| Oswego to Odenthal | 4,270.56 mi (6,872.81 km) |
| Oswego to Oelde | 4,278.26 mi (6,885.19 km) |
| Oswego to Oelsnitz | 4,477.28 mi (7,205.49 km) |
| Oswego to Oer-Erkenschwick | 4,252.92 mi (6,844.41 km) |
