| Ortakoy to Oberkirch | 1,453.82 mi (2,339.70 km) |
| Ortakoy to Obernburg am Main | 1,440.42 mi (2,318.13 km) |
| Ortakoy to Obernkirchen | 1,513.49 mi (2,435.73 km) |
| Ortakoy to Oberschleissheim | 1,296.99 mi (2,087.31 km) |
| Ortakoy to Oberstdorf | 1,333.20 mi (2,145.58 km) |
| Ortakoy to Obertraubling | 1,291.59 mi (2,078.62 km) |
| Ortakoy to Obertshausen | 1,459.10 mi (2,348.20 km) |
| Ortakoy to Oberursel | 1,473.22 mi (2,370.92 km) |
| Ortakoy to Ochsenfurt | 1,397.27 mi (2,248.68 km) |
| Ortakoy to Ochsenhausen | 1,362.43 mi (2,192.62 km) |
| Ortakoy to Ochtrup | 1,584.42 mi (2,549.88 km) |
| Ortakoy to Odenthal | 1,554.40 mi (2,501.57 km) |
| Ortakoy to Oelde | 1,536.51 mi (2,472.78 km) |
| Ortakoy to Oelsnitz | 1,336.88 mi (2,151.50 km) |
| Ortakoy to Oer-Erkenschwick | 1,565.80 mi (2,519.91 km) |
