| Acton to Oberkirch | 423.81 mi (682.06 km) |
| Acton to Obernburg am Main | 427.67 mi (688.27 km) |
| Acton to Obernkirchen | 403.42 mi (649.25 km) |
| Acton to Oberschleissheim | 572.38 mi (921.16 km) |
| Acton to Oberstdorf | 551.36 mi (887.33 km) |
| Acton to Obertraubling | 576.29 mi (927.44 km) |
| Acton to Obertshausen | 409.72 mi (659.38 km) |
| Acton to Oberursel | 396.09 mi (637.44 km) |
| Acton to Ochsenfurt | 470.99 mi (757.99 km) |
| Acton to Ochsenhausen | 513.46 mi (826.33 km) |
| Acton to Ochtrup | 321.79 mi (517.88 km) |
| Acton to Odenthal | 320.90 mi (516.44 km) |
| Acton to Oelde | 361.28 mi (581.43 km) |
| Acton to Oelsnitz | 545.81 mi (878.39 km) |
| Acton to Oer-Erkenschwick | 322.94 mi (519.72 km) |
