| Fern Down to Jozefow | 995.54 mi (1,602.17 km) |
| Fern Down to Kalisz | 863.20 mi (1,389.19 km) |
| Fern Down to Kamien Pomorski | 734.14 mi (1,181.48 km) |
| Fern Down to Kamienna Gora | 781.26 mi (1,257.32 km) |
| Fern Down to Karczew | 996.49 mi (1,603.69 km) |
| Fern Down to Kartuzy | 875.04 mi (1,408.25 km) |
| Fern Down to Katowice | 916.21 mi (1,474.50 km) |
| Fern Down to Kedzierzyn-Kozle | 879.72 mi (1,415.78 km) |
| Fern Down to Kepno | 861.67 mi (1,386.72 km) |
| Fern Down to Ketrzyn | 1,001.32 mi (1,611.47 km) |
| Fern Down to Kety | 929.84 mi (1,496.43 km) |
| Fern Down to Kielce | 979.30 mi (1,576.03 km) |
| Fern Down to Kielczow | 827.99 mi (1,332.52 km) |
| Fern Down to Klobuck | 905.54 mi (1,457.33 km) |
| Fern Down to Klodzko | 811.43 mi (1,305.87 km) |
