| Bierbeek to Obernburg am Main | 204.73 mi (329.48 km) |
| Bierbeek to Obernkirchen | 211.50 mi (340.37 km) |
| Bierbeek to Oberschleissheim | 353.08 mi (568.22 km) |
| Bierbeek to Oberstdorf | 343.47 mi (552.76 km) |
| Bierbeek to Obertraubling | 353.52 mi (568.94 km) |
| Bierbeek to Obertshausen | 186.56 mi (300.24 km) |
| Bierbeek to Oberursel | 172.93 mi (278.31 km) |
| Bierbeek to Ochsenfurt | 247.99 mi (399.11 km) |
| Bierbeek to Ochsenhausen | 300.80 mi (484.09 km) |
| Bierbeek to Ochtrup | 140.87 mi (226.70 km) |
| Bierbeek to Odenthal | 103.25 mi (166.17 km) |
| Bierbeek to Oelde | 161.55 mi (259.99 km) |
| Bierbeek to Oelsnitz | 325.50 mi (523.83 km) |
| Bierbeek to Oer-Erkenschwick | 121.12 mi (194.92 km) |
| Bierbeek to Oerlinghausen | 185.43 mi (298.41 km) |
