| London Colney to Oak Harbor (Washington) | 4,736.22 mi (7,622.21 km) |
| London Colney to Oak Hills (Oregon) | 4,899.79 mi (7,885.45 km) |
| London Colney to Oak Lawn (Illinois) | 3,946.35 mi (6,351.04 km) |
| London Colney to Oak Park (California) | 5,433.95 mi (8,745.10 km) |
| London Colney to Oak Park (Illinois) | 3,939.67 mi (6,340.29 km) |
| London Colney to Oak Park (Michigan) | 3,736.64 mi (6,013.54 km) |
| London Colney to Oak Ridge (Florida) | 4,333.49 mi (6,974.07 km) |
| London Colney to Oak Ridge (New Jersey) | 3,455.50 mi (5,561.10 km) |
| London Colney to Oak Ridge (Tennessee) | 4,083.58 mi (6,571.89 km) |
| London Colney to Oakdale (California) | 5,292.05 mi (8,516.72 km) |
| London Colney to Oakdale (Minnesota) | 3,985.35 mi (6,413.80 km) |
| London Colney to Oakland (California) | 5,331.07 mi (8,579.53 km) |
| London Colney to Oakland (New Jersey) | 3,445.15 mi (5,544.44 km) |
| London Colney to Oakland Park (Florida) | 4,395.94 mi (7,074.58 km) |
| London Colney to Oakleaf Plantation (Florida) | 4,266.26 mi (6,865.89 km) |
