| Blackpool to Oerlinghausen | 504.20 mi (811.43 km) |
| Blackpool to Oestrich-Winkel | 538.90 mi (867.28 km) |
| Blackpool to Offenburg | 601.56 mi (968.12 km) |
| Blackpool to Oftersheim | 585.18 mi (941.76 km) |
| Blackpool to Ohrdruf | 616.37 mi (991.95 km) |
| Blackpool to Ohringen | 625.56 mi (1,006.74 km) |
| Blackpool to Olbernhau | 724.58 mi (1,166.10 km) |
| Blackpool to Olching | 733.23 mi (1,180.02 km) |
| Blackpool to Oldenburg | 464.98 mi (748.31 km) |
| Blackpool to Oldenburg in Holstein | 565.17 mi (909.55 km) |
| Blackpool to Olfen | 459.14 mi (738.91 km) |
| Blackpool to Olpe | 497.07 mi (799.96 km) |
| Blackpool to Olsberg | 512.57 mi (824.90 km) |
| Blackpool to Oranienburg | 675.24 mi (1,086.69 km) |
| Blackpool to Ortenberg | 565.84 mi (910.63 km) |
