| Widnau to Jozefow | 611.26 mi (983.73 km) |
| Widnau to Kalisz | 483.06 mi (777.42 km) |
| Widnau to Kamien Pomorski | 506.33 mi (814.86 km) |
| Widnau to Kamienna Gora | 371.94 mi (598.57 km) |
| Widnau to Karczew | 610.29 mi (982.16 km) |
| Widnau to Kartuzy | 606.59 mi (976.22 km) |
| Widnau to Katowice | 470.05 mi (756.48 km) |
| Widnau to Kedzierzyn-Kozle | 439.07 mi (706.61 km) |
| Widnau to Kepno | 461.39 mi (742.54 km) |
| Widnau to Ketrzyn | 689.20 mi (1,109.16 km) |
| Widnau to Kety | 469.91 mi (756.24 km) |
| Widnau to Kielce | 551.43 mi (887.44 km) |
| Widnau to Kielczow | 426.86 mi (686.96 km) |
| Widnau to Klobuck | 484.91 mi (780.38 km) |
| Widnau to Klodzko | 381.11 mi (613.34 km) |
