| Houghton Regis to Kluczbork | 807.35 mi (1,299.30 km) |
| Houghton Regis to Knurow | 839.70 mi (1,351.37 km) |
| Houghton Regis to Kobylka | 918.69 mi (1,478.49 km) |
| Houghton Regis to Kokoszki | 803.68 mi (1,293.41 km) |
| Houghton Regis to Kolbuszowa | 970.51 mi (1,561.89 km) |
| Houghton Regis to Kolno | 943.03 mi (1,517.66 km) |
| Houghton Regis to Kolo | 811.89 mi (1,306.60 km) |
| Houghton Regis to Kolobrzeg | 685.41 mi (1,103.06 km) |
| Houghton Regis to Koluszki | 865.15 mi (1,392.33 km) |
| Houghton Regis to Komorniki | 730.01 mi (1,174.84 km) |
| Houghton Regis to Konin | 796.33 mi (1,281.57 km) |
| Houghton Regis to Konskie | 897.90 mi (1,445.03 km) |
| Houghton Regis to Konstancin-Jeziorna | 917.38 mi (1,476.39 km) |
| Houghton Regis to Konstantynow Lodzki | 845.42 mi (1,360.57 km) |
| Houghton Regis to Koronowo | 778.32 mi (1,252.59 km) |
