| Walthamstow to Oberkirch | 416.38 mi (670.11 km) |
| Walthamstow to Obernburg am Main | 418.26 mi (673.12 km) |
| Walthamstow to Obernkirchen | 391.97 mi (630.82 km) |
| Walthamstow to Oberschleissheim | 563.83 mi (907.40 km) |
| Walthamstow to Oberstdorf | 544.08 mi (875.61 km) |
| Walthamstow to Obertraubling | 566.97 mi (912.46 km) |
| Walthamstow to Obertshausen | 400.13 mi (643.95 km) |
| Walthamstow to Oberursel | 386.41 mi (621.86 km) |
| Walthamstow to Ochsenfurt | 461.55 mi (742.80 km) |
| Walthamstow to Ochsenhausen | 505.66 mi (813.78 km) |
| Walthamstow to Ochtrup | 310.33 mi (499.42 km) |
| Walthamstow to Odenthal | 310.50 mi (499.71 km) |
| Walthamstow to Oelde | 350.08 mi (563.39 km) |
| Walthamstow to Oelsnitz | 535.39 mi (861.63 km) |
| Walthamstow to Oer-Erkenschwick | 311.89 mi (501.94 km) |
