| Palma del Rio to Oberkirch | 1,004.42 mi (1,616.46 km) |
| Palma del Rio to Obernburg am Main | 1,101.34 mi (1,772.43 km) |
| Palma del Rio to Obernkirchen | 1,223.21 mi (1,968.56 km) |
| Palma del Rio to Oberschleissheim | 1,116.73 mi (1,797.20 km) |
| Palma del Rio to Oberstdorf | 1,034.59 mi (1,665.01 km) |
| Palma del Rio to Obertraubling | 1,167.51 mi (1,878.93 km) |
| Palma del Rio to Obertshausen | 1,102.65 mi (1,774.54 km) |
| Palma del Rio to Oberursel | 1,101.52 mi (1,772.73 km) |
| Palma del Rio to Ochsenfurt | 1,122.71 mi (1,806.82 km) |
| Palma del Rio to Ochsenhausen | 1,049.15 mi (1,688.44 km) |
| Palma del Rio to Ochtrup | 1,169.53 mi (1,882.17 km) |
| Palma del Rio to Odenthal | 1,102.96 mi (1,775.05 km) |
| Palma del Rio to Oelde | 1,173.93 mi (1,889.25 km) |
| Palma del Rio to Oelsnitz | 1,228.06 mi (1,976.38 km) |
| Palma del Rio to Oer-Erkenschwick | 1,139.80 mi (1,834.33 km) |
