| Leighton Buzzard to Nottingham | 74.53 mi (119.94 km) |
| Leighton Buzzard to Nuneaton | 54.04 mi (86.98 km) |
| Leighton Buzzard to Oadby | 50.29 mi (80.94 km) |
| Leighton Buzzard to Oakengates | 92.77 mi (149.30 km) |
| Leighton Buzzard to Oakham | 52.18 mi (83.98 km) |
| Leighton Buzzard to Oldbury | 70.29 mi (113.12 km) |
| Leighton Buzzard to Oldham | 127.89 mi (205.82 km) |
| Leighton Buzzard to Ollerton | 89.95 mi (144.76 km) |
| Leighton Buzzard to Olton | 60.39 mi (97.18 km) |
| Leighton Buzzard to Omagh | 330.23 mi (531.46 km) |
| Leighton Buzzard to Ormesby | 183.17 mi (294.78 km) |
| Leighton Buzzard to Ormskirk | 147.16 mi (236.83 km) |
| Leighton Buzzard to Orpington | 49.67 mi (79.93 km) |
| Leighton Buzzard to Ossett | 127.74 mi (205.58 km) |
| Leighton Buzzard to Oswaldtwistle | 145.42 mi (234.03 km) |
