| Streator to Oberkirch | 4,446.47 mi (7,155.90 km) |
| Streator to Obernburg am Main | 4,435.60 mi (7,138.41 km) |
| Streator to Obernkirchen | 4,342.13 mi (6,987.98 km) |
| Streator to Oberschleissheim | 4,588.60 mi (7,384.64 km) |
| Streator to Oberstdorf | 4,574.17 mi (7,361.42 km) |
| Streator to Obertraubling | 4,581.61 mi (7,373.39 km) |
| Streator to Obertshausen | 4,415.50 mi (7,106.06 km) |
| Streator to Oberursel | 4,400.81 mi (7,082.43 km) |
| Streator to Ochsenfurt | 4,477.12 mi (7,205.22 km) |
| Streator to Ochsenhausen | 4,535.11 mi (7,298.56 km) |
| Streator to Ochtrup | 4,275.55 mi (6,880.83 km) |
| Streator to Odenthal | 4,315.91 mi (6,945.78 km) |
| Streator to Oelde | 4,323.78 mi (6,958.46 km) |
| Streator to Oelsnitz | 4,522.84 mi (7,278.81 km) |
| Streator to Oer-Erkenschwick | 4,298.36 mi (6,917.54 km) |
