| Hemel Hempstead to Jozefow | 921.28 mi (1,482.66 km) |
| Hemel Hempstead to Kalisz | 791.21 mi (1,273.34 km) |
| Hemel Hempstead to Kamien Pomorski | 652.60 mi (1,050.26 km) |
| Hemel Hempstead to Kamienna Gora | 715.00 mi (1,150.68 km) |
| Hemel Hempstead to Karczew | 922.41 mi (1,484.48 km) |
| Hemel Hempstead to Kartuzy | 793.21 mi (1,276.55 km) |
| Hemel Hempstead to Katowice | 850.72 mi (1,369.10 km) |
| Hemel Hempstead to Kedzierzyn-Kozle | 814.37 mi (1,310.60 km) |
| Hemel Hempstead to Kepno | 791.90 mi (1,274.44 km) |
| Hemel Hempstead to Ketrzyn | 920.66 mi (1,481.65 km) |
| Hemel Hempstead to Kety | 865.94 mi (1,393.59 km) |
| Hemel Hempstead to Kielce | 910.19 mi (1,464.80 km) |
| Hemel Hempstead to Kielczow | 759.25 mi (1,221.90 km) |
| Hemel Hempstead to Klobuck | 837.06 mi (1,347.12 km) |
| Hemel Hempstead to Klodzko | 746.70 mi (1,201.69 km) |
