| Cities | Distance |
|---|---|
| Harpenden to Koscian | 722.63 mi (1,162.96 km) |
| Harpenden to Koscielisko | 902.38 mi (1,452.24 km) |
| Harpenden to Koscierzyna | 777.02 mi (1,250.49 km) |
| Harpenden to Kostrzyn | 745.04 mi (1,199.03 km) |
| Harpenden to Kostrzyn nad Odra | 637.05 mi (1,025.23 km) |
| Harpenden to Koszalin | 705.09 mi (1,134.73 km) |
| Harpenden to Kowary | 701.27 mi (1,128.59 km) |
| Harpenden to Kozienice | 935.22 mi (1,505.09 km) |
| Harpenden to Kozuchow | 680.51 mi (1,095.18 km) |
| Harpenden to Kozy | 858.82 mi (1,382.14 km) |
| Harpenden to Krakow | 888.72 mi (1,430.25 km) |
| Harpenden to Krapkowice | 797.43 mi (1,283.33 km) |
| Harpenden to Krasnik | 971.64 mi (1,563.70 km) |
| Harpenden to Krasnystaw | 1,011.73 mi (1,628.22 km) |
| Harpenden to Krosno | 973.53 mi (1,566.74 km) |