| Security-Widefield to Norwich | 4,731.26 mi (7,614.23 km) |
| Security-Widefield to Nottingham | 4,635.12 mi (7,459.50 km) |
| Security-Widefield to Nuneaton | 4,641.04 mi (7,469.02 km) |
| Security-Widefield to Oadby | 4,651.59 mi (7,486.02 km) |
| Security-Widefield to Oakengates | 4,600.24 mi (7,403.38 km) |
| Security-Widefield to Oakham | 4,660.56 mi (7,500.44 km) |
| Security-Widefield to Oldbury | 4,622.72 mi (7,439.55 km) |
| Security-Widefield to Oldham | 4,579.10 mi (7,369.36 km) |
| Security-Widefield to Ollerton | 4,629.88 mi (7,451.07 km) |
| Security-Widefield to Olton | 4,632.65 mi (7,455.53 km) |
| Security-Widefield to Omagh | 4,362.86 mi (7,021.35 km) |
| Security-Widefield to Ormesby | 4,571.89 mi (7,357.75 km) |
| Security-Widefield to Ormskirk | 4,551.91 mi (7,325.59 km) |
| Security-Widefield to Orpington | 4,741.33 mi (7,630.43 km) |
| Security-Widefield to Ossett | 4,592.14 mi (7,390.34 km) |
