| Ramsey to Oberkirch | 4,418.79 mi (7,111.35 km) |
| Ramsey to Obernburg am Main | 4,397.52 mi (7,077.13 km) |
| Ramsey to Obernkirchen | 4,290.17 mi (6,904.36 km) |
| Ramsey to Oberschleissheim | 4,552.46 mi (7,326.48 km) |
| Ramsey to Oberstdorf | 4,546.42 mi (7,316.75 km) |
| Ramsey to Obertraubling | 4,539.84 mi (7,306.16 km) |
| Ramsey to Obertshausen | 4,376.97 mi (7,044.06 km) |
| Ramsey to Oberursel | 4,362.21 mi (7,020.30 km) |
| Ramsey to Ochsenfurt | 4,437.54 mi (7,141.53 km) |
| Ramsey to Ochsenhausen | 4,504.67 mi (7,249.57 km) |
| Ramsey to Ochtrup | 4,228.88 mi (6,805.73 km) |
| Ramsey to Odenthal | 4,276.38 mi (6,882.17 km) |
| Ramsey to Oelde | 4,276.86 mi (6,882.93 km) |
| Ramsey to Oelsnitz | 4,473.14 mi (7,198.83 km) |
| Ramsey to Oer-Erkenschwick | 4,254.89 mi (6,847.58 km) |
