| Oxon Hill to Oberkirch | 4,081.74 mi (6,568.92 km) |
| Oxon Hill to Obernburg am Main | 4,086.71 mi (6,576.92 km) |
| Oxon Hill to Obernkirchen | 4,016.56 mi (6,464.03 km) |
| Oxon Hill to Oberschleissheim | 4,233.74 mi (6,813.55 km) |
| Oxon Hill to Oberstdorf | 4,207.09 mi (6,770.66 km) |
| Oxon Hill to Obertraubling | 4,235.42 mi (6,816.25 km) |
| Oxon Hill to Obertshausen | 4,067.69 mi (6,546.32 km) |
| Oxon Hill to Oberursel | 4,053.43 mi (6,523.37 km) |
| Oxon Hill to Ochsenfurt | 4,129.66 mi (6,646.05 km) |
| Oxon Hill to Ochsenhausen | 4,172.76 mi (6,715.42 km) |
| Oxon Hill to Ochtrup | 3,943.19 mi (6,345.95 km) |
| Oxon Hill to Odenthal | 3,971.71 mi (6,391.85 km) |
| Oxon Hill to Oelde | 3,990.79 mi (6,422.56 km) |
| Oxon Hill to Oelsnitz | 4,189.97 mi (6,743.11 km) |
| Oxon Hill to Oer-Erkenschwick | 3,960.59 mi (6,373.95 km) |
