| Acharnes to Oberkirch | 1,064.11 mi (1,712.51 km) |
| Acharnes to Obernburg am Main | 1,085.41 mi (1,746.79 km) |
| Acharnes to Obernkirchen | 1,206.32 mi (1,941.39 km) |
| Acharnes to Oberschleissheim | 930.11 mi (1,496.87 km) |
| Acharnes to Oberstdorf | 936.27 mi (1,506.78 km) |
| Acharnes to Obertraubling | 947.02 mi (1,524.08 km) |
| Acharnes to Obertshausen | 1,106.10 mi (1,780.09 km) |
| Acharnes to Oberursel | 1,120.85 mi (1,803.83 km) |
| Acharnes to Ochsenfurt | 1,046.49 mi (1,684.16 km) |
| Acharnes to Ochsenhausen | 977.14 mi (1,572.55 km) |
| Acharnes to Ochtrup | 1,259.55 mi (2,027.05 km) |
| Acharnes to Odenthal | 1,206.79 mi (1,942.13 km) |
| Acharnes to Oelde | 1,212.48 mi (1,951.30 km) |
| Acharnes to Oelsnitz | 1,023.94 mi (1,647.87 km) |
| Acharnes to Oer-Erkenschwick | 1,230.80 mi (1,980.78 km) |
