| Leighton Buzzard to Oswego (Illinois) | 3,950.18 mi (6,357.19 km) |
| Leighton Buzzard to Oswego (New York) | 3,412.66 mi (5,492.15 km) |
| Leighton Buzzard to Otsego (Minnesota) | 3,975.47 mi (6,397.89 km) |
| Leighton Buzzard to Ottawa (Illinois) | 3,984.12 mi (6,411.83 km) |
| Leighton Buzzard to Ottawa (Kansas) | 4,360.02 mi (7,016.77 km) |
| Leighton Buzzard to Ottumwa (Iowa) | 4,134.95 mi (6,654.57 km) |
| Leighton Buzzard to Overland (Missouri) | 4,170.42 mi (6,711.64 km) |
| Leighton Buzzard to Overland Park (Kansas) | 4,324.19 mi (6,959.11 km) |
| Leighton Buzzard to Overlea (Maryland) | 3,592.38 mi (5,781.38 km) |
| Leighton Buzzard to Oviedo (Florida) | 4,296.75 mi (6,914.95 km) |
| Leighton Buzzard to Owasso (Oklahoma) | 4,497.91 mi (7,238.69 km) |
| Leighton Buzzard to Owatonna (Minnesota) | 4,017.23 mi (6,465.11 km) |
| Leighton Buzzard to Owensboro (Kentucky) | 4,090.00 mi (6,582.21 km) |
| Leighton Buzzard to Owings Mills (Maryland) | 3,601.35 mi (5,795.81 km) |
| Leighton Buzzard to Owosso (Michigan) | 3,731.34 mi (6,005.02 km) |
