| Diemen to Oberkirch | 296.16 mi (476.62 km) |
| Diemen to Obernburg am Main | 249.93 mi (402.23 km) |
| Diemen to Obernkirchen | 175.43 mi (282.33 km) |
| Diemen to Oberschleissheim | 405.25 mi (652.19 km) |
| Diemen to Oberstdorf | 414.11 mi (666.45 km) |
| Diemen to Obertraubling | 391.67 mi (630.32 km) |
| Diemen to Obertshausen | 229.18 mi (368.82 km) |
| Diemen to Oberursel | 214.47 mi (345.15 km) |
| Diemen to Ochsenfurt | 288.96 mi (465.03 km) |
| Diemen to Ochsenhausen | 367.53 mi (591.47 km) |
| Diemen to Ochtrup | 94.43 mi (151.96 km) |
| Diemen to Odenthal | 128.64 mi (207.02 km) |
| Diemen to Oelde | 139.49 mi (224.49 km) |
| Diemen to Oelsnitz | 337.40 mi (542.99 km) |
| Diemen to Oer-Erkenschwick | 108.28 mi (174.26 km) |
