| Marsaxlokk to Oberkirch | 936.36 mi (1,506.93 km) |
| Marsaxlokk to Obernburg am Main | 1,004.50 mi (1,616.59 km) |
| Marsaxlokk to Obernkirchen | 1,165.57 mi (1,875.80 km) |
| Marsaxlokk to Oberschleissheim | 870.66 mi (1,401.19 km) |
| Marsaxlokk to Oberstdorf | 828.73 mi (1,333.72 km) |
| Marsaxlokk to Obertraubling | 914.74 mi (1,472.14 km) |
| Marsaxlokk to Obertshausen | 1,023.64 mi (1,647.39 km) |
| Marsaxlokk to Oberursel | 1,036.22 mi (1,667.63 km) |
| Marsaxlokk to Ochsenfurt | 980.28 mi (1,577.61 km) |
| Marsaxlokk to Ochsenhausen | 877.01 mi (1,411.41 km) |
| Marsaxlokk to Ochtrup | 1,186.71 mi (1,909.83 km) |
| Marsaxlokk to Odenthal | 1,112.43 mi (1,790.29 km) |
| Marsaxlokk to Oelde | 1,148.85 mi (1,848.89 km) |
| Marsaxlokk to Oelsnitz | 1,014.01 mi (1,631.89 km) |
| Marsaxlokk to Oer-Erkenschwick | 1,149.41 mi (1,849.79 km) |
