| Marchena to Oberkirch | 1,029.01 mi (1,656.03 km) |
| Marchena to Obernburg am Main | 1,126.20 mi (1,812.45 km) |
| Marchena to Obernkirchen | 1,248.82 mi (2,009.78 km) |
| Marchena to Oberschleissheim | 1,140.12 mi (1,834.85 km) |
| Marchena to Oberstdorf | 1,057.84 mi (1,702.42 km) |
| Marchena to Obertraubling | 1,191.17 mi (1,917.00 km) |
| Marchena to Obertshausen | 1,127.67 mi (1,814.82 km) |
| Marchena to Oberursel | 1,126.66 mi (1,813.18 km) |
| Marchena to Ochsenfurt | 1,147.26 mi (1,846.34 km) |
| Marchena to Ochsenhausen | 1,072.92 mi (1,726.70 km) |
| Marchena to Ochtrup | 1,195.43 mi (1,923.86 km) |
| Marchena to Odenthal | 1,128.64 mi (1,816.38 km) |
| Marchena to Oelde | 1,199.61 mi (1,930.58 km) |
| Marchena to Oelsnitz | 1,252.44 mi (2,015.62 km) |
| Marchena to Oer-Erkenschwick | 1,165.59 mi (1,875.83 km) |
