| Astorga to Oberkirch | 801.59 mi (1,290.03 km) |
| Astorga to Obernburg am Main | 886.02 mi (1,425.91 km) |
| Astorga to Obernkirchen | 978.15 mi (1,574.18 km) |
| Astorga to Oberschleissheim | 941.99 mi (1,515.99 km) |
| Astorga to Oberstdorf | 867.31 mi (1,395.79 km) |
| Astorga to Obertraubling | 984.31 mi (1,584.10 km) |
| Astorga to Obertshausen | 882.03 mi (1,419.49 km) |
| Astorga to Oberursel | 877.26 mi (1,411.81 km) |
| Astorga to Ochsenfurt | 916.33 mi (1,474.70 km) |
| Astorga to Ochsenhausen | 867.59 mi (1,396.25 km) |
| Astorga to Ochtrup | 912.99 mi (1,469.32 km) |
| Astorga to Odenthal | 858.05 mi (1,380.91 km) |
| Astorga to Oelde | 927.33 mi (1,492.39 km) |
| Astorga to Oelsnitz | 1,023.33 mi (1,646.89 km) |
| Astorga to Oer-Erkenschwick | 889.24 mi (1,431.10 km) |
