| Montreux to Oberkirch | 154.98 mi (249.41 km) |
| Montreux to Obernburg am Main | 256.73 mi (413.17 km) |
| Montreux to Obernkirchen | 414.97 mi (667.84 km) |
| Montreux to Oberschleissheim | 251.24 mi (404.33 km) |
| Montreux to Oberstdorf | 172.41 mi (277.46 km) |
| Montreux to Obertraubling | 300.26 mi (483.22 km) |
| Montreux to Obertshausen | 266.06 mi (428.18 km) |
| Montreux to Oberursel | 271.40 mi (436.78 km) |
| Montreux to Ochsenfurt | 265.60 mi (427.44 km) |
| Montreux to Ochsenhausen | 181.73 mi (292.46 km) |
| Montreux to Ochtrup | 399.02 mi (642.16 km) |
| Montreux to Odenthal | 317.96 mi (511.71 km) |
| Montreux to Oelde | 377.23 mi (607.10 km) |
| Montreux to Oelsnitz | 365.46 mi (588.14 km) |
| Montreux to Oer-Erkenschwick | 360.22 mi (579.71 km) |
