| Irakleio to Oberkirch | 1,258.88 mi (2,025.97 km) |
| Irakleio to Obernburg am Main | 1,284.90 mi (2,067.85 km) |
| Irakleio to Obernkirchen | 1,409.27 mi (2,268.01 km) |
| Irakleio to Oberschleissheim | 1,129.60 mi (1,817.92 km) |
| Irakleio to Oberstdorf | 1,131.31 mi (1,820.66 km) |
| Irakleio to Obertraubling | 1,148.66 mi (1,848.59 km) |
| Irakleio to Obertshausen | 1,305.67 mi (2,101.27 km) |
| Irakleio to Oberursel | 1,320.37 mi (2,124.94 km) |
| Irakleio to Ochsenfurt | 1,246.76 mi (2,006.47 km) |
| Irakleio to Ochsenhausen | 1,173.60 mi (1,888.72 km) |
| Irakleio to Ochtrup | 1,460.95 mi (2,351.17 km) |
| Irakleio to Odenthal | 1,406.25 mi (2,263.14 km) |
| Irakleio to Oelde | 1,414.19 mi (2,275.92 km) |
| Irakleio to Oelsnitz | 1,227.34 mi (1,975.22 km) |
| Irakleio to Oer-Erkenschwick | 1,431.43 mi (2,303.67 km) |
