| Great Bookham to Oberkirch | 421.04 mi (677.60 km) |
| Great Bookham to Obernburg am Main | 428.94 mi (690.32 km) |
| Great Bookham to Obernkirchen | 411.17 mi (661.71 km) |
| Great Bookham to Oberschleissheim | 571.64 mi (919.97 km) |
| Great Bookham to Oberstdorf | 548.22 mi (882.28 km) |
| Great Bookham to Obertraubling | 577.21 mi (928.93 km) |
| Great Bookham to Obertshausen | 411.43 mi (662.13 km) |
| Great Bookham to Oberursel | 398.05 mi (640.59 km) |
| Great Bookham to Ochsenfurt | 472.29 mi (760.08 km) |
| Great Bookham to Ochsenhausen | 511.27 mi (822.81 km) |
| Great Bookham to Ochtrup | 329.70 mi (530.61 km) |
| Great Bookham to Odenthal | 324.87 mi (522.83 km) |
| Great Bookham to Oelde | 367.93 mi (592.13 km) |
| Great Bookham to Oelsnitz | 549.59 mi (884.47 km) |
| Great Bookham to Oer-Erkenschwick | 329.01 mi (529.49 km) |
