| Etterbeek to Obernburg am Main | 220.73 mi (355.22 km) |
| Etterbeek to Obernkirchen | 226.18 mi (363.99 km) |
| Etterbeek to Oberschleissheim | 367.99 mi (592.22 km) |
| Etterbeek to Oberstdorf | 356.22 mi (573.28 km) |
| Etterbeek to Obertraubling | 369.44 mi (594.55 km) |
| Etterbeek to Obertshausen | 202.78 mi (326.35 km) |
| Etterbeek to Oberursel | 189.28 mi (304.61 km) |
| Etterbeek to Ochsenfurt | 264.03 mi (424.92 km) |
| Etterbeek to Ochsenhausen | 314.29 mi (505.80 km) |
| Etterbeek to Ochtrup | 153.46 mi (246.96 km) |
| Etterbeek to Odenthal | 119.82 mi (192.83 km) |
| Etterbeek to Oelde | 176.65 mi (284.29 km) |
| Etterbeek to Oelsnitz | 342.22 mi (550.74 km) |
| Etterbeek to Oer-Erkenschwick | 136.04 mi (218.94 km) |
| Etterbeek to Oerlinghausen | 200.52 mi (322.71 km) |
