| Biga to Nottingham | 1,593.15 mi (2,563.92 km) |
| Biga to Nuneaton | 1,594.71 mi (2,566.43 km) |
| Biga to Oadby | 1,581.23 mi (2,544.74 km) |
| Biga to Oakengates | 1,637.51 mi (2,635.33 km) |
| Biga to Oakham | 1,569.69 mi (2,526.17 km) |
| Biga to Oldbury | 1,615.88 mi (2,600.51 km) |
| Biga to Oldham | 1,645.52 mi (2,648.21 km) |
| Biga to Ollerton | 1,594.65 mi (2,566.34 km) |
| Biga to Olton | 1,605.98 mi (2,584.58 km) |
| Biga to Omagh | 1,867.28 mi (3,005.09 km) |
| Biga to Ormesby | 1,638.69 mi (2,637.22 km) |
| Biga to Ormskirk | 1,675.48 mi (2,696.42 km) |
| Biga to Orpington | 1,504.49 mi (2,421.25 km) |
| Biga to Ossett | 1,628.78 mi (2,621.28 km) |
| Biga to Oswaldtwistle | 1,661.16 mi (2,673.37 km) |
