| Leek to Kluczbork | 869.50 mi (1,399.32 km) |
| Leek to Knurow | 906.22 mi (1,458.41 km) |
| Leek to Kobylka | 969.10 mi (1,559.61 km) |
| Leek to Kokoszki | 839.92 mi (1,351.72 km) |
| Leek to Kolbuszowa | 1,033.13 mi (1,662.66 km) |
| Leek to Kolno | 985.74 mi (1,586.40 km) |
| Leek to Kolo | 865.05 mi (1,392.16 km) |
| Leek to Kolobrzeg | 722.75 mi (1,163.15 km) |
| Leek to Koluszki | 920.56 mi (1,481.50 km) |
| Leek to Komorniki | 784.07 mi (1,261.84 km) |
| Leek to Konin | 849.64 mi (1,367.36 km) |
| Leek to Konskie | 956.33 mi (1,539.07 km) |
| Leek to Konstancin-Jeziorna | 969.51 mi (1,560.27 km) |
| Leek to Konstantynow Lodzki | 901.23 mi (1,450.38 km) |
| Leek to Koronowo | 823.18 mi (1,324.78 km) |
