| London Colney to Kaneohe (Hawaii) | 7,203.29 mi (11,592.57 km) |
| London Colney to Kankakee (Illinois) | 3,979.27 mi (6,404.02 km) |
| London Colney to Kannapolis (North Carolina) | 3,958.96 mi (6,371.33 km) |
| London Colney to Kansas City (Kansas) | 4,334.47 mi (6,975.65 km) |
| London Colney to Kansas City (Missouri) | 4,327.36 mi (6,964.22 km) |
| London Colney to Kapaa (Hawaii) | 7,181.01 mi (11,556.72 km) |
| London Colney to Kapolei (Hawaii) | 7,212.07 mi (11,606.71 km) |
| London Colney to Katy (Texas) | 4,852.67 mi (7,809.61 km) |
| London Colney to Kaukauna (Wisconsin) | 3,847.05 mi (6,191.22 km) |
| London Colney to Kaysville (Utah) | 4,832.48 mi (7,777.13 km) |
| London Colney to Kearney (Missouri) | 4,308.66 mi (6,934.12 km) |
| London Colney to Kearney (Nebraska) | 4,413.74 mi (7,103.22 km) |
| London Colney to Kearns (Utah) | 4,855.13 mi (7,813.57 km) |
| London Colney to Kearny (New Jersey) | 3,452.35 mi (5,556.02 km) |
| London Colney to Keene (New Hampshire) | 3,285.06 mi (5,286.79 km) |
