| Blackpool to Orbetello | 1,020.97 mi (1,643.09 km) |
| Blackpool to Oria | 1,328.89 mi (2,138.65 km) |
| Blackpool to Oristano | 1,104.02 mi (1,776.75 km) |
| Blackpool to Orta Nova | 1,221.13 mi (1,965.21 km) |
| Blackpool to Orte | 1,054.72 mi (1,697.42 km) |
| Blackpool to Ortona | 1,123.93 mi (1,808.78 km) |
| Blackpool to Orvieto | 1,032.05 mi (1,660.92 km) |
| Blackpool to Orzinuovi | 819.73 mi (1,319.24 km) |
| Blackpool to Osimo | 1,034.10 mi (1,664.22 km) |
| Blackpool to Ospitaletto | 815.99 mi (1,313.21 km) |
| Blackpool to Ostuni | 1,314.78 mi (2,115.94 km) |
| Blackpool to Ottaviano | 1,208.36 mi (1,944.67 km) |
| Blackpool to Ovada | 822.72 mi (1,324.04 km) |
| Blackpool to Ozieri | 1,071.75 mi (1,724.81 km) |
| Blackpool to Paceco | 1,319.94 mi (2,124.23 km) |
