| Altamont to Oberkirch | 5,464.62 mi (8,794.45 km) |
| Altamont to Obernburg am Main | 5,418.31 mi (8,719.93 km) |
| Altamont to Obernkirchen | 5,280.46 mi (8,498.08 km) |
| Altamont to Oberschleissheim | 5,570.79 mi (8,965.32 km) |
| Altamont to Oberstdorf | 5,586.23 mi (8,990.17 km) |
| Altamont to Obertraubling | 5,544.22 mi (8,922.56 km) |
| Altamont to Obertshausen | 5,397.62 mi (8,686.64 km) |
| Altamont to Oberursel | 5,383.37 mi (8,663.69 km) |
| Altamont to Ochsenfurt | 5,452.56 mi (8,775.05 km) |
| Altamont to Ochsenhausen | 5,539.68 mi (8,915.26 km) |
| Altamont to Ochtrup | 5,236.10 mi (8,426.69 km) |
| Altamont to Odenthal | 5,299.40 mi (8,528.56 km) |
| Altamont to Oelde | 5,280.94 mi (8,498.85 km) |
| Altamont to Oelsnitz | 5,460.02 mi (8,787.05 km) |
| Altamont to Oer-Erkenschwick | 5,268.96 mi (8,479.56 km) |
