| Waltham Abbey to Oberkirch | 418.80 mi (674.00 km) |
| Waltham Abbey to Obernburg am Main | 419.00 mi (674.32 km) |
| Waltham Abbey to Obernkirchen | 389.86 mi (627.42 km) |
| Waltham Abbey to Oberschleissheim | 565.34 mi (909.82 km) |
| Waltham Abbey to Oberstdorf | 546.57 mi (879.61 km) |
| Waltham Abbey to Obertraubling | 567.79 mi (913.76 km) |
| Waltham Abbey to Obertshausen | 400.71 mi (644.88 km) |
| Waltham Abbey to Oberursel | 386.89 mi (622.63 km) |
| Waltham Abbey to Ochsenfurt | 462.26 mi (743.94 km) |
| Waltham Abbey to Ochsenhausen | 507.78 mi (817.20 km) |
| Waltham Abbey to Ochtrup | 308.20 mi (496.00 km) |
| Waltham Abbey to Odenthal | 310.18 mi (499.19 km) |
| Waltham Abbey to Oelde | 348.50 mi (560.86 km) |
| Waltham Abbey to Oelsnitz | 534.99 mi (860.99 km) |
| Waltham Abbey to Oer-Erkenschwick | 310.62 mi (499.89 km) |
