| Ilion to Oberkirch | 1,065.45 mi (1,714.67 km) |
| Ilion to Obernburg am Main | 1,087.09 mi (1,749.50 km) |
| Ilion to Obernkirchen | 1,208.36 mi (1,944.66 km) |
| Ilion to Oberschleissheim | 931.78 mi (1,499.56 km) |
| Ilion to Oberstdorf | 937.62 mi (1,508.95 km) |
| Ilion to Obertraubling | 948.89 mi (1,527.09 km) |
| Ilion to Obertshausen | 1,107.79 mi (1,782.81 km) |
| Ilion to Oberursel | 1,122.53 mi (1,806.54 km) |
| Ilion to Ochsenfurt | 1,048.23 mi (1,686.97 km) |
| Ilion to Ochsenhausen | 978.58 mi (1,574.88 km) |
| Ilion to Ochtrup | 1,261.41 mi (2,030.04 km) |
| Ilion to Odenthal | 1,208.47 mi (1,944.85 km) |
| Ilion to Oelde | 1,214.37 mi (1,954.34 km) |
| Ilion to Oelsnitz | 1,026.03 mi (1,651.23 km) |
| Ilion to Oer-Erkenschwick | 1,232.59 mi (1,983.66 km) |
