| Leek to Koscian | 784.66 mi (1,262.79 km) |
| Leek to Koscielisko | 980.29 mi (1,577.63 km) |
| Leek to Koscierzyna | 820.25 mi (1,320.06 km) |
| Leek to Kostrzyn | 803.94 mi (1,293.82 km) |
| Leek to Kostrzyn nad Odra | 695.78 mi (1,119.75 km) |
| Leek to Koszalin | 747.25 mi (1,202.58 km) |
| Leek to Kowary | 774.93 mi (1,247.12 km) |
| Leek to Kozienice | 996.69 mi (1,604.01 km) |
| Leek to Kozuchow | 746.43 mi (1,201.27 km) |
| Leek to Kozy | 934.31 mi (1,503.62 km) |
| Leek to Krakow | 961.92 mi (1,548.06 km) |
| Leek to Krapkowice | 870.59 mi (1,401.08 km) |
| Leek to Krasnik | 1,036.78 mi (1,668.54 km) |
| Leek to Krasnystaw | 1,075.45 mi (1,730.77 km) |
| Leek to Krosno | 1,046.59 mi (1,684.32 km) |
