| Clay to Koscian | 4,927.24 mi (7,929.63 km) |
| Clay to Koscielisko | 5,150.84 mi (8,289.48 km) |
| Clay to Koscierzyna | 4,901.21 mi (7,887.74 km) |
| Clay to Kostrzyn | 4,936.71 mi (7,944.87 km) |
| Clay to Kostrzyn nad Odra | 4,837.39 mi (7,785.03 km) |
| Clay to Koszalin | 4,835.79 mi (7,782.45 km) |
| Clay to Kowary | 4,943.32 mi (7,955.51 km) |
| Clay to Kozienice | 5,122.09 mi (8,243.20 km) |
| Clay to Kozuchow | 4,900.70 mi (7,886.92 km) |
| Clay to Kozy | 5,101.11 mi (8,209.44 km) |
| Clay to Krakow | 5,122.72 mi (8,244.22 km) |
| Clay to Krapkowice | 5,034.60 mi (8,102.41 km) |
| Clay to Krasnik | 5,171.54 mi (8,322.79 km) |
| Clay to Krasnystaw | 5,203.05 mi (8,373.50 km) |
| Clay to Krosno | 5,203.98 mi (8,375.00 km) |
