| Houghton Regis to Jozefow | 921.82 mi (1,483.53 km) |
| Houghton Regis to Kalisz | 792.30 mi (1,275.08 km) |
| Houghton Regis to Kamien Pomorski | 651.42 mi (1,048.36 km) |
| Houghton Regis to Kamienna Gora | 717.23 mi (1,154.28 km) |
| Houghton Regis to Karczew | 922.99 mi (1,485.41 km) |
| Houghton Regis to Kartuzy | 791.87 mi (1,274.39 km) |
| Houghton Regis to Katowice | 853.01 mi (1,372.78 km) |
| Houghton Regis to Kedzierzyn-Kozle | 816.70 mi (1,314.36 km) |
| Houghton Regis to Kepno | 793.43 mi (1,276.91 km) |
| Houghton Regis to Ketrzyn | 919.61 mi (1,479.97 km) |
| Houghton Regis to Kety | 868.50 mi (1,397.71 km) |
| Houghton Regis to Kielce | 911.78 mi (1,467.38 km) |
| Houghton Regis to Kielczow | 761.00 mi (1,224.71 km) |
| Houghton Regis to Klobuck | 838.81 mi (1,349.94 km) |
| Houghton Regis to Klodzko | 749.18 mi (1,205.69 km) |
