| Boskoop to Kalisz | 571.99 mi (920.53 km) |
| Boskoop to Kamien Pomorski | 440.35 mi (708.68 km) |
| Boskoop to Kamienna Gora | 497.83 mi (801.18 km) |
| Boskoop to Karczew | 703.41 mi (1,132.03 km) |
| Boskoop to Kartuzy | 581.24 mi (935.41 km) |
| Boskoop to Katowice | 633.63 mi (1,019.73 km) |
| Boskoop to Kedzierzyn-Kozle | 597.47 mi (961.53 km) |
| Boskoop to Kepno | 573.02 mi (922.19 km) |
| Boskoop to Ketrzyn | 706.65 mi (1,137.24 km) |
| Boskoop to Kety | 649.85 mi (1,045.83 km) |
| Boskoop to Kielce | 691.40 mi (1,112.70 km) |
| Boskoop to Kielczow | 540.74 mi (870.24 km) |
| Boskoop to Klobuck | 618.55 mi (995.46 km) |
| Boskoop to Klodzko | 530.43 mi (853.65 km) |
| Boskoop to Kluczbork | 587.11 mi (944.86 km) |
