| Kalajoki to Obernburg am Main | 1,135.20 mi (1,826.92 km) |
| Kalajoki to Obernkirchen | 983.58 mi (1,582.93 km) |
| Kalajoki to Oberschleissheim | 1,199.38 mi (1,930.21 km) |
| Kalajoki to Oberstdorf | 1,273.43 mi (2,049.39 km) |
| Kalajoki to Obertraubling | 1,143.84 mi (1,840.83 km) |
| Kalajoki to Obertshausen | 1,126.28 mi (1,812.57 km) |
| Kalajoki to Oberursel | 1,122.28 mi (1,806.14 km) |
| Kalajoki to Ochsenfurt | 1,131.60 mi (1,821.13 km) |
| Kalajoki to Ochsenhausen | 1,235.40 mi (1,988.19 km) |
| Kalajoki to Ochtrup | 1,025.68 mi (1,650.68 km) |
| Kalajoki to Odenthal | 1,098.51 mi (1,767.89 km) |
| Kalajoki to Oelde | 1,028.97 mi (1,655.97 km) |
| Kalajoki to Oelsnitz | 1,049.02 mi (1,688.24 km) |
| Kalajoki to Oer-Erkenschwick | 1,058.59 mi (1,703.63 km) |
| Kalajoki to Oerlinghausen | 1,010.71 mi (1,626.58 km) |
