| Hemel Hempstead to Kenosha (Wisconsin) | 3,903.20 mi (6,281.60 km) |
| Hemel Hempstead to Kent (Ohio) | 3,717.43 mi (5,982.62 km) |
| Hemel Hempstead to Kent (Washington) | 4,771.20 mi (7,678.50 km) |
| Hemel Hempstead to Kentwood (Michigan) | 3,802.86 mi (6,120.11 km) |
| Hemel Hempstead to Kerman (California) | 5,321.70 mi (8,564.45 km) |
| Hemel Hempstead to Kernersville (North Carolina) | 3,898.95 mi (6,274.75 km) |
| Hemel Hempstead to Kerrville (Texas) | 4,960.51 mi (7,983.18 km) |
| Hemel Hempstead to Kettering (Maryland) | 3,636.14 mi (5,851.80 km) |
| Hemel Hempstead to Kettering (Ohio) | 3,893.78 mi (6,266.43 km) |
| Hemel Hempstead to Kewanee (Illinois) | 4,043.72 mi (6,507.73 km) |
| Hemel Hempstead to Key Biscayne (Florida) | 4,413.72 mi (7,103.20 km) |
| Hemel Hempstead to Key Largo (Florida) | 4,453.05 mi (7,166.49 km) |
| Hemel Hempstead to Key West (Florida) | 4,539.22 mi (7,305.18 km) |
| Hemel Hempstead to Keystone (Florida) | 4,392.59 mi (7,069.19 km) |
| Hemel Hempstead to Kihei (Hawaii) | 7,219.78 mi (11,619.12 km) |
