| Houthulst to Knurow | 690.69 mi (1,111.55 km) |
| Houthulst to Kobylka | 785.70 mi (1,264.46 km) |
| Houthulst to Kokoszki | 689.97 mi (1,110.40 km) |
| Houthulst to Kolbuszowa | 824.23 mi (1,326.47 km) |
| Houthulst to Kolno | 818.77 mi (1,317.68 km) |
| Houthulst to Kolo | 677.13 mi (1,089.74 km) |
| Houthulst to Kolobrzeg | 573.30 mi (922.64 km) |
| Houthulst to Koluszki | 727.20 mi (1,170.32 km) |
| Houthulst to Komorniki | 595.54 mi (958.43 km) |
| Houthulst to Konin | 661.64 mi (1,064.80 km) |
| Houthulst to Konskie | 756.37 mi (1,217.26 km) |
| Houthulst to Konstancin-Jeziorna | 782.48 mi (1,259.28 km) |
| Houthulst to Konstantynow Lodzki | 707.25 mi (1,138.22 km) |
| Houthulst to Koronowo | 654.11 mi (1,052.68 km) |
| Houthulst to Koscian | 592.86 mi (954.11 km) |
