| Cockermouth to Oberkirch | 647.11 mi (1,041.43 km) |
| Cockermouth to Obernburg am Main | 623.70 mi (1,003.75 km) |
| Cockermouth to Obernkirchen | 538.49 mi (866.62 km) |
| Cockermouth to Oberschleissheim | 778.10 mi (1,252.23 km) |
| Cockermouth to Oberstdorf | 773.75 mi (1,245.24 km) |
| Cockermouth to Obertraubling | 768.81 mi (1,237.28 km) |
| Cockermouth to Obertshausen | 603.36 mi (971.01 km) |
| Cockermouth to Oberursel | 588.62 mi (947.29 km) |
| Cockermouth to Ochsenfurt | 664.66 mi (1,069.66 km) |
| Cockermouth to Ochsenhausen | 730.72 mi (1,175.98 km) |
| Cockermouth to Ochtrup | 465.76 mi (749.56 km) |
| Cockermouth to Odenthal | 503.28 mi (809.96 km) |
| Cockermouth to Oelde | 513.73 mi (826.76 km) |
| Cockermouth to Oelsnitz | 713.47 mi (1,148.21 km) |
| Cockermouth to Oer-Erkenschwick | 486.05 mi (782.23 km) |