| Kotka to Obernburg am Main | 1,009.99 mi (1,625.42 km) |
| Kotka to Obernkirchen | 881.77 mi (1,419.07 km) |
| Kotka to Oberschleissheim | 1,041.26 mi (1,675.75 km) |
| Kotka to Oberstdorf | 1,121.51 mi (1,804.90 km) |
| Kotka to Obertraubling | 984.73 mi (1,584.77 km) |
| Kotka to Obertshausen | 1,005.76 mi (1,618.62 km) |
| Kotka to Oberursel | 1,005.29 mi (1,617.85 km) |
| Kotka to Ochsenfurt | 996.42 mi (1,603.59 km) |
| Kotka to Ochsenhausen | 1,090.31 mi (1,754.69 km) |
| Kotka to Ochtrup | 941.51 mi (1,515.22 km) |
| Kotka to Odenthal | 1,002.53 mi (1,613.42 km) |
| Kotka to Oelde | 931.70 mi (1,499.43 km) |
| Kotka to Oelsnitz | 899.97 mi (1,448.36 km) |
| Kotka to Oer-Erkenschwick | 967.64 mi (1,557.27 km) |
| Kotka to Oerlinghausen | 909.97 mi (1,464.45 km) |
