| Kajaani to Obernburg am Main | 1,205.25 mi (1,939.66 km) |
| Kajaani to Obernkirchen | 1,059.84 mi (1,705.65 km) |
| Kajaani to Oberschleissheim | 1,258.10 mi (2,024.71 km) |
| Kajaani to Oberstdorf | 1,334.87 mi (2,148.26 km) |
| Kajaani to Obertraubling | 1,201.87 mi (1,934.23 km) |
| Kajaani to Obertshausen | 1,197.80 mi (1,927.67 km) |
| Kajaani to Oberursel | 1,194.90 mi (1,923.01 km) |
| Kajaani to Ochsenfurt | 1,198.27 mi (1,928.44 km) |
| Kajaani to Ochsenhausen | 1,299.17 mi (2,090.81 km) |
| Kajaani to Ochtrup | 1,107.30 mi (1,782.03 km) |
| Kajaani to Odenthal | 1,177.33 mi (1,894.73 km) |
| Kajaani to Oelde | 1,106.92 mi (1,781.41 km) |
| Kajaani to Oelsnitz | 1,110.23 mi (1,786.74 km) |
| Kajaani to Oer-Erkenschwick | 1,138.56 mi (1,832.34 km) |
| Kajaani to Oerlinghausen | 1,087.50 mi (1,750.17 km) |
