| Avanos to Oberkirch | 1,489.97 mi (2,397.88 km) |
| Avanos to Obernburg am Main | 1,474.76 mi (2,373.40 km) |
| Avanos to Obernkirchen | 1,544.86 mi (2,486.21 km) |
| Avanos to Oberschleissheim | 1,332.51 mi (2,144.46 km) |
| Avanos to Oberstdorf | 1,370.10 mi (2,204.96 km) |
| Avanos to Obertraubling | 1,325.97 mi (2,133.95 km) |
| Avanos to Obertshausen | 1,493.27 mi (2,403.18 km) |
| Avanos to Oberursel | 1,507.31 mi (2,425.78 km) |
| Avanos to Ochsenfurt | 1,431.54 mi (2,303.84 km) |
| Avanos to Ochsenhausen | 1,398.64 mi (2,250.90 km) |
| Avanos to Ochtrup | 1,616.57 mi (2,601.62 km) |
| Avanos to Odenthal | 1,587.96 mi (2,555.57 km) |
| Avanos to Oelde | 1,568.78 mi (2,524.70 km) |
| Avanos to Oelsnitz | 1,369.33 mi (2,203.73 km) |
| Avanos to Oer-Erkenschwick | 1,598.59 mi (2,572.69 km) |
