| Overland Park to Oberkirch | 4,775.39 mi (7,685.24 km) |
| Overland Park to Obernburg am Main | 4,761.37 mi (7,662.69 km) |
| Overland Park to Obernkirchen | 4,663.19 mi (7,504.67 km) |
| Overland Park to Oberschleissheim | 4,915.14 mi (7,910.16 km) |
| Overland Park to Oberstdorf | 4,903.21 mi (7,890.95 km) |
| Overland Park to Obertraubling | 4,906.37 mi (7,896.04 km) |
| Overland Park to Obertshausen | 4,741.10 mi (7,630.07 km) |
| Overland Park to Oberursel | 4,726.38 mi (7,606.37 km) |
| Overland Park to Ochsenfurt | 4,802.46 mi (7,728.81 km) |
| Overland Park to Ochsenhausen | 4,863.32 mi (7,826.76 km) |
| Overland Park to Ochtrup | 4,598.33 mi (7,400.30 km) |
| Overland Park to Odenthal | 4,641.08 mi (7,469.10 km) |
| Overland Park to Oelde | 4,646.54 mi (7,477.89 km) |
| Overland Park to Oelsnitz | 4,844.90 mi (7,797.11 km) |
| Overland Park to Oer-Erkenschwick | 4,622.24 mi (7,438.77 km) |
