| Brussels to Kalisz | 595.44 mi (958.26 km) |
| Brussels to Kamien Pomorski | 488.71 mi (786.50 km) |
| Brussels to Kamienna Gora | 509.41 mi (819.82 km) |
| Brussels to Karczew | 730.66 mi (1,175.89 km) |
| Brussels to Kartuzy | 627.86 mi (1,010.44 km) |
| Brussels to Katowice | 643.88 mi (1,036.23 km) |
| Brussels to Kedzierzyn-Kozle | 607.39 mi (977.50 km) |
| Brussels to Kepno | 591.78 mi (952.37 km) |
| Brussels to Ketrzyn | 748.84 mi (1,205.13 km) |
| Brussels to Kety | 657.14 mi (1,057.57 km) |
| Brussels to Kielce | 708.61 mi (1,140.39 km) |
| Brussels to Kielczow | 557.43 mi (897.09 km) |
| Brussels to Klobuck | 634.60 mi (1,021.29 km) |
| Brussels to Klodzko | 538.99 mi (867.42 km) |
| Brussels to Kluczbork | 603.13 mi (970.64 km) |
