| Ii to Obernburg am Main | 1,218.47 mi (1,960.94 km) |
| Ii to Obernkirchen | 1,066.10 mi (1,715.73 km) |
| Ii to Oberschleissheim | 1,283.12 mi (2,064.98 km) |
| Ii to Oberstdorf | 1,357.17 mi (2,184.15 km) |
| Ii to Obertraubling | 1,227.57 mi (1,975.58 km) |
| Ii to Obertshausen | 1,209.40 mi (1,946.34 km) |
| Ii to Oberursel | 1,205.27 mi (1,939.70 km) |
| Ii to Ochsenfurt | 1,215.15 mi (1,955.59 km) |
| Ii to Ochsenhausen | 1,319.08 mi (2,122.86 km) |
| Ii to Ochtrup | 1,107.04 mi (1,781.60 km) |
| Ii to Odenthal | 1,180.47 mi (1,899.78 km) |
| Ii to Oelde | 1,111.15 mi (1,788.22 km) |
| Ii to Oelsnitz | 1,132.77 mi (1,823.02 km) |
| Ii to Oer-Erkenschwick | 1,140.31 mi (1,835.15 km) |
| Ii to Oerlinghausen | 1,093.12 mi (1,759.20 km) |
