| Widnau to Kluczbork | 459.48 mi (739.46 km) |
| Widnau to Knurow | 455.08 mi (732.39 km) |
| Widnau to Kobylka | 616.58 mi (992.29 km) |
| Widnau to Kokoszki | 615.49 mi (990.54 km) |
| Widnau to Kolbuszowa | 585.20 mi (941.78 km) |
| Widnau to Kolno | 681.02 mi (1,095.99 km) |
| Widnau to Kolo | 520.02 mi (836.89 km) |
| Widnau to Kolobrzeg | 534.91 mi (860.86 km) |
| Widnau to Koluszki | 544.98 mi (877.06 km) |
| Widnau to Komorniki | 460.31 mi (740.79 km) |
| Widnau to Konin | 508.28 mi (817.99 km) |
| Widnau to Konskie | 551.51 mi (887.57 km) |
| Widnau to Konstancin-Jeziorna | 605.27 mi (974.09 km) |
| Widnau to Konstantynow Lodzki | 527.72 mi (849.29 km) |
| Widnau to Koronowo | 547.92 mi (881.80 km) |
