| Harelbeke to Kalisz | 639.75 mi (1,029.58 km) |
| Harelbeke to Kamien Pomorski | 527.90 mi (849.57 km) |
| Harelbeke to Kamienna Gora | 554.58 mi (892.51 km) |
| Harelbeke to Karczew | 774.63 mi (1,246.65 km) |
| Harelbeke to Kartuzy | 667.81 mi (1,074.73 km) |
| Harelbeke to Katowice | 689.15 mi (1,109.08 km) |
| Harelbeke to Kedzierzyn-Kozle | 652.66 mi (1,050.35 km) |
| Harelbeke to Kepno | 636.54 mi (1,024.42 km) |
| Harelbeke to Ketrzyn | 790.08 mi (1,271.51 km) |
| Harelbeke to Kety | 702.48 mi (1,130.53 km) |
| Harelbeke to Kielce | 753.56 mi (1,212.74 km) |
| Harelbeke to Kielczow | 602.33 mi (969.35 km) |
| Harelbeke to Klobuck | 679.59 mi (1,093.70 km) |
| Harelbeke to Klodzko | 584.27 mi (940.30 km) |
| Harelbeke to Kluczbork | 648.11 mi (1,043.03 km) |
