| Aljustrel to Oberkirch | 1,094.66 mi (1,761.69 km) |
| Aljustrel to Obernburg am Main | 1,186.95 mi (1,910.22 km) |
| Aljustrel to Obernkirchen | 1,294.66 mi (2,083.55 km) |
| Aljustrel to Oberschleissheim | 1,219.44 mi (1,962.49 km) |
| Aljustrel to Oberstdorf | 1,139.26 mi (1,833.46 km) |
| Aljustrel to Obertraubling | 1,267.38 mi (2,039.66 km) |
| Aljustrel to Obertshausen | 1,185.80 mi (1,908.36 km) |
| Aljustrel to Oberursel | 1,182.92 mi (1,903.72 km) |
| Aljustrel to Ochsenfurt | 1,212.53 mi (1,951.38 km) |
| Aljustrel to Ochsenhausen | 1,148.57 mi (1,848.45 km) |
| Aljustrel to Ochtrup | 1,234.10 mi (1,986.10 km) |
| Aljustrel to Odenthal | 1,173.78 mi (1,889.01 km) |
| Aljustrel to Oelde | 1,244.25 mi (2,002.43 km) |
| Aljustrel to Oelsnitz | 1,319.41 mi (2,123.38 km) |
| Aljustrel to Oer-Erkenschwick | 1,207.70 mi (1,943.60 km) |
