| Mealhada to Oberkirch | 987.56 mi (1,589.32 km) |
| Mealhada to Obernburg am Main | 1,073.81 mi (1,728.13 km) |
| Mealhada to Obernkirchen | 1,167.48 mi (1,878.88 km) |
| Mealhada to Oberschleissheim | 1,124.19 mi (1,809.20 km) |
| Mealhada to Oberstdorf | 1,047.56 mi (1,685.88 km) |
| Mealhada to Obertraubling | 1,168.21 mi (1,880.05 km) |
| Mealhada to Obertshausen | 1,070.29 mi (1,722.46 km) |
| Mealhada to Oberursel | 1,065.79 mi (1,715.23 km) |
| Mealhada to Ochsenfurt | 1,103.25 mi (1,775.51 km) |
| Mealhada to Ochsenhausen | 1,050.57 mi (1,690.73 km) |
| Mealhada to Ochtrup | 1,102.02 mi (1,773.53 km) |
| Mealhada to Odenthal | 1,047.40 mi (1,685.62 km) |
| Mealhada to Oelde | 1,116.66 mi (1,797.09 km) |
| Mealhada to Oelsnitz | 1,210.39 mi (1,947.93 km) |
| Mealhada to Oer-Erkenschwick | 1,078.52 mi (1,735.71 km) |
