| Ialysos to Oberkirch | 1,314.53 mi (2,115.54 km) |
| Ialysos to Obernburg am Main | 1,326.53 mi (2,134.85 km) |
| Ialysos to Obernkirchen | 1,434.52 mi (2,308.64 km) |
| Ialysos to Oberschleissheim | 1,172.48 mi (1,886.92 km) |
| Ialysos to Oberstdorf | 1,187.12 mi (1,910.49 km) |
| Ialysos to Obertraubling | 1,182.92 mi (1,903.72 km) |
| Ialysos to Obertshausen | 1,346.91 mi (2,167.64 km) |
| Ialysos to Oberursel | 1,361.66 mi (2,191.37 km) |
| Ialysos to Ochsenfurt | 1,285.85 mi (2,069.37 km) |
| Ialysos to Ochsenhausen | 1,225.39 mi (1,972.08 km) |
| Ialysos to Ochtrup | 1,493.89 mi (2,404.18 km) |
| Ialysos to Odenthal | 1,447.22 mi (2,329.08 km) |
| Ialysos to Oelde | 1,446.00 mi (2,327.11 km) |
| Ialysos to Oelsnitz | 1,251.13 mi (2,013.50 km) |
| Ialysos to Oer-Erkenschwick | 1,467.83 mi (2,362.24 km) |
