| Biggleswade to Nottingham | 70.77 mi (113.90 km) |
| Biggleswade to Nuneaton | 59.47 mi (95.71 km) |
| Biggleswade to Oadby | 49.57 mi (79.77 km) |
| Biggleswade to Oakengates | 101.69 mi (163.66 km) |
| Biggleswade to Oakham | 45.16 mi (72.68 km) |
| Biggleswade to Oldbury | 79.83 mi (128.47 km) |
| Biggleswade to Oldham | 127.28 mi (204.83 km) |
| Biggleswade to Ollerton | 83.40 mi (134.23 km) |
| Biggleswade to Olton | 69.92 mi (112.53 km) |
| Biggleswade to Omagh | 337.65 mi (543.40 km) |
| Biggleswade to Ormesby | 174.46 mi (280.76 km) |
| Biggleswade to Ormskirk | 150.11 mi (241.57 km) |
| Biggleswade to Orpington | 51.44 mi (82.78 km) |
| Biggleswade to Ossett | 123.23 mi (198.31 km) |
| Biggleswade to Oswaldtwistle | 145.05 mi (233.44 km) |
