| Desborough to Jozefow | 928.59 mi (1,494.42 km) |
| Desborough to Kalisz | 801.17 mi (1,289.35 km) |
| Desborough to Kamien Pomorski | 652.38 mi (1,049.91 km) |
| Desborough to Kamienna Gora | 730.27 mi (1,175.25 km) |
| Desborough to Karczew | 929.90 mi (1,496.52 km) |
| Desborough to Kartuzy | 791.99 mi (1,274.59 km) |
| Desborough to Katowice | 866.04 mi (1,393.75 km) |
| Desborough to Kedzierzyn-Kozle | 829.94 mi (1,335.65 km) |
| Desborough to Kepno | 803.88 mi (1,293.71 km) |
| Desborough to Ketrzyn | 920.65 mi (1,481.65 km) |
| Desborough to Kety | 882.45 mi (1,420.16 km) |
| Desborough to Kielce | 922.32 mi (1,484.33 km) |
| Desborough to Kielczow | 772.26 mi (1,242.83 km) |
| Desborough to Klobuck | 849.98 mi (1,367.91 km) |
| Desborough to Klodzko | 763.03 mi (1,227.98 km) |
