| Hemel Hempstead to Koscian | 728.22 mi (1,171.95 km) |
| Hemel Hempstead to Koscielisko | 907.13 mi (1,459.88 km) |
| Hemel Hempstead to Koscierzyna | 783.20 mi (1,260.44 km) |
| Hemel Hempstead to Kostrzyn | 750.75 mi (1,208.21 km) |
| Hemel Hempstead to Kostrzyn nad Odra | 642.80 mi (1,034.48 km) |
| Hemel Hempstead to Koszalin | 711.32 mi (1,144.75 km) |
| Hemel Hempstead to Kowary | 706.33 mi (1,136.72 km) |
| Hemel Hempstead to Kozienice | 940.78 mi (1,514.03 km) |
| Hemel Hempstead to Kozuchow | 685.95 mi (1,103.93 km) |
| Hemel Hempstead to Kozy | 863.72 mi (1,390.03 km) |
| Hemel Hempstead to Krakow | 893.74 mi (1,438.33 km) |
| Hemel Hempstead to Krapkowice | 802.47 mi (1,291.46 km) |
| Hemel Hempstead to Krasnik | 977.03 mi (1,572.38 km) |
| Hemel Hempstead to Krasnystaw | 1,017.18 mi (1,636.99 km) |
| Hemel Hempstead to Krosno | 978.54 mi (1,574.80 km) |
