| Herstal to Kalisz | 543.29 mi (874.34 km) |
| Herstal to Kamien Pomorski | 447.92 mi (720.86 km) |
| Herstal to Kamienna Gora | 454.58 mi (731.58 km) |
| Herstal to Karczew | 679.26 mi (1,093.16 km) |
| Herstal to Kartuzy | 585.05 mi (941.55 km) |
| Herstal to Katowice | 588.44 mi (947.01 km) |
| Herstal to Kedzierzyn-Kozle | 551.96 mi (888.30 km) |
| Herstal to Kepno | 538.34 mi (866.37 km) |
| Herstal to Ketrzyn | 703.24 mi (1,131.76 km) |
| Herstal to Kety | 601.19 mi (967.52 km) |
| Herstal to Kielce | 654.48 mi (1,053.28 km) |
| Herstal to Kielczow | 503.58 mi (810.44 km) |
| Herstal to Klobuck | 580.37 mi (934.02 km) |
| Herstal to Klodzko | 483.48 mi (778.09 km) |
| Herstal to Kluczbork | 548.98 mi (883.49 km) |
