| Blackpool to Oberkirch | 603.63 mi (971.45 km) |
| Blackpool to Obernburg am Main | 587.51 mi (945.51 km) |
| Blackpool to Obernkirchen | 515.99 mi (830.41 km) |
| Blackpool to Oberschleissheim | 740.34 mi (1,191.46 km) |
| Blackpool to Oberstdorf | 731.10 mi (1,176.59 km) |
| Blackpool to Obertraubling | 734.62 mi (1,182.26 km) |
| Blackpool to Obertshausen | 567.58 mi (913.44 km) |
| Blackpool to Oberursel | 552.97 mi (889.92 km) |
| Blackpool to Ochsenfurt | 629.44 mi (1,012.98 km) |
| Blackpool to Ochsenhausen | 689.42 mi (1,109.52 km) |
| Blackpool to Ochtrup | 439.55 mi (707.39 km) |
| Blackpool to Odenthal | 468.94 mi (754.69 km) |
| Blackpool to Oelde | 486.65 mi (783.18 km) |
| Blackpool to Oelsnitz | 685.34 mi (1,102.95 km) |
| Blackpool to Oer-Erkenschwick | 455.91 mi (733.71 km) |
