| London Colney to University Place (Washington) | 4,795.82 mi (7,718.13 km) |
| London Colney to Upland (California) | 5,402.45 mi (8,694.41 km) |
| London Colney to Upper Arlington (Ohio) | 3,843.34 mi (6,185.26 km) |
| London Colney to Upper Grand Lagoon (Florida) | 4,427.56 mi (7,125.47 km) |
| London Colney to Upper Montclair (New Jersey) | 3,451.68 mi (5,554.94 km) |
| London Colney to Urbana (Illinois) | 4,038.85 mi (6,499.90 km) |
| London Colney to Urbana (Maryland) | 3,646.28 mi (5,868.12 km) |
| London Colney to Urbana (Ohio) | 3,866.47 mi (6,222.48 km) |
| London Colney to Urbandale (Iowa) | 4,175.20 mi (6,719.33 km) |
| London Colney to Utica (New York) | 3,396.36 mi (5,465.91 km) |
| London Colney to Uvalde (Texas) | 5,036.43 mi (8,105.36 km) |
| London Colney to Vacaville (California) | 5,290.71 mi (8,514.57 km) |
| London Colney to Vadnais Heights (Minnesota) | 3,986.04 mi (6,414.92 km) |
| London Colney to Vail (Arizona) | 5,286.39 mi (8,507.62 km) |
| London Colney to Valdosta (Georgia) | 4,292.27 mi (6,907.75 km) |
