| Leavenworth to Oberkirch | 4,762.36 mi (7,664.28 km) |
| Leavenworth to Obernburg am Main | 4,747.53 mi (7,640.41 km) |
| Leavenworth to Obernkirchen | 4,648.26 mi (7,480.64 km) |
| Leavenworth to Oberschleissheim | 4,901.47 mi (7,888.15 km) |
| Leavenworth to Oberstdorf | 4,890.20 mi (7,870.01 km) |
| Leavenworth to Obertraubling | 4,892.25 mi (7,873.32 km) |
| Leavenworth to Obertshausen | 4,727.22 mi (7,607.73 km) |
| Leavenworth to Oberursel | 4,712.49 mi (7,584.02 km) |
| Leavenworth to Ochsenfurt | 4,788.50 mi (7,706.35 km) |
| Leavenworth to Ochsenhausen | 4,850.09 mi (7,805.47 km) |
| Leavenworth to Ochtrup | 4,583.81 mi (7,376.92 km) |
| Leavenworth to Odenthal | 4,627.11 mi (7,446.61 km) |
| Leavenworth to Oelde | 4,632.00 mi (7,454.48 km) |
| Leavenworth to Oelsnitz | 4,830.16 mi (7,773.39 km) |
| Leavenworth to Oer-Erkenschwick | 4,607.96 mi (7,415.79 km) |
