| Hemel Hempstead to Kaneohe (Hawaii) | 7,198.91 mi (11,585.52 km) |
| Hemel Hempstead to Kankakee (Illinois) | 3,971.98 mi (6,392.28 km) |
| Hemel Hempstead to Kannapolis (North Carolina) | 3,951.50 mi (6,359.33 km) |
| Hemel Hempstead to Kansas City (Kansas) | 4,327.26 mi (6,964.05 km) |
| Hemel Hempstead to Kansas City (Missouri) | 4,320.15 mi (6,952.61 km) |
| Hemel Hempstead to Kapaa (Hawaii) | 7,176.80 mi (11,549.95 km) |
| Hemel Hempstead to Kapolei (Hawaii) | 7,207.72 mi (11,599.70 km) |
| Hemel Hempstead to Katy (Texas) | 4,845.29 mi (7,797.74 km) |
| Hemel Hempstead to Kaukauna (Wisconsin) | 3,839.85 mi (6,179.65 km) |
| Hemel Hempstead to Kaysville (Utah) | 4,825.85 mi (7,766.46 km) |
| Hemel Hempstead to Kearney (Missouri) | 4,301.45 mi (6,922.52 km) |
| Hemel Hempstead to Kearney (Nebraska) | 4,406.68 mi (7,091.87 km) |
| Hemel Hempstead to Kearns (Utah) | 4,848.49 mi (7,802.88 km) |
| Hemel Hempstead to Kearny (New Jersey) | 3,444.89 mi (5,544.02 km) |
| Hemel Hempstead to Keene (New Hampshire) | 3,277.62 mi (5,274.82 km) |
