| Davos to Oberkirch | 144.81 mi (233.05 km) |
| Davos to Obernburg am Main | 212.43 mi (341.88 km) |
| Davos to Obernkirchen | 379.05 mi (610.02 km) |
| Davos to Oberschleissheim | 128.75 mi (207.20 km) |
| Davos to Oberstdorf | 47.06 mi (75.73 km) |
| Davos to Obertraubling | 184.60 mi (297.09 km) |
| Davos to Obertshausen | 230.31 mi (370.65 km) |
| Davos to Oberursel | 242.07 mi (389.57 km) |
| Davos to Ochsenfurt | 197.21 mi (317.38 km) |
| Davos to Ochsenhausen | 88.06 mi (141.73 km) |
| Davos to Ochtrup | 391.80 mi (630.54 km) |
| Davos to Odenthal | 317.38 mi (510.78 km) |
| Davos to Oelde | 355.91 mi (572.78 km) |
| Davos to Oelsnitz | 271.64 mi (437.17 km) |
| Davos to Oer-Erkenschwick | 354.22 mi (570.06 km) |
