| Janakkala to Obernburg am Main | 972.83 mi (1,565.62 km) |
| Janakkala to Obernkirchen | 836.45 mi (1,346.14 km) |
| Janakkala to Oberschleissheim | 1,015.79 mi (1,634.75 km) |
| Janakkala to Oberstdorf | 1,094.14 mi (1,760.85 km) |
| Janakkala to Obertraubling | 959.33 mi (1,543.89 km) |
| Janakkala to Obertshausen | 967.07 mi (1,556.35 km) |
| Janakkala to Oberursel | 965.48 mi (1,553.79 km) |
| Janakkala to Ochsenfurt | 962.49 mi (1,548.99 km) |
| Janakkala to Ochsenhausen | 1,060.34 mi (1,706.45 km) |
| Janakkala to Ochtrup | 891.67 mi (1,435.01 km) |
| Janakkala to Odenthal | 956.41 mi (1,539.20 km) |
| Janakkala to Oelde | 885.45 mi (1,425.00 km) |
| Janakkala to Oelsnitz | 870.29 mi (1,400.59 km) |
| Janakkala to Oer-Erkenschwick | 919.86 mi (1,480.37 km) |
| Janakkala to Oerlinghausen | 864.56 mi (1,391.38 km) |
