| Den Helder to Kalisz | 567.63 mi (913.52 km) |
| Den Helder to Kamien Pomorski | 418.18 mi (673.00 km) |
| Den Helder to Kamienna Gora | 503.26 mi (809.93 km) |
| Den Helder to Karczew | 694.82 mi (1,118.20 km) |
| Den Helder to Kartuzy | 558.56 mi (898.92 km) |
| Den Helder to Katowice | 638.17 mi (1,027.03 km) |
| Den Helder to Kedzierzyn-Kozle | 602.65 mi (969.87 km) |
| Den Helder to Kepno | 572.14 mi (920.76 km) |
| Den Helder to Ketrzyn | 686.45 mi (1,104.74 km) |
| Den Helder to Kety | 656.31 mi (1,056.22 km) |
| Den Helder to Kielce | 690.36 mi (1,111.02 km) |
| Den Helder to Kielczow | 541.82 mi (871.97 km) |
| Den Helder to Klobuck | 619.08 mi (996.32 km) |
| Den Helder to Klodzko | 537.49 mi (865.01 km) |
| Den Helder to Kluczbork | 588.04 mi (946.36 km) |
