| Fern Down to Kluczbork | 874.02 mi (1,406.59 km) |
| Fern Down to Knurow | 902.36 mi (1,452.20 km) |
| Fern Down to Kobylka | 993.28 mi (1,598.54 km) |
| Fern Down to Kokoszki | 886.87 mi (1,427.28 km) |
| Fern Down to Kolbuszowa | 1,035.73 mi (1,666.85 km) |
| Fern Down to Kolno | 1,022.18 mi (1,645.04 km) |
| Fern Down to Kolo | 885.27 mi (1,424.70 km) |
| Fern Down to Kolobrzeg | 768.77 mi (1,237.21 km) |
| Fern Down to Koluszki | 936.62 mi (1,507.34 km) |
| Fern Down to Komorniki | 803.39 mi (1,292.93 km) |
| Fern Down to Konin | 869.72 mi (1,399.67 km) |
| Fern Down to Konskie | 966.91 mi (1,556.09 km) |
| Fern Down to Konstancin-Jeziorna | 990.84 mi (1,594.61 km) |
| Fern Down to Konstantynow Lodzki | 916.71 mi (1,475.31 km) |
| Fern Down to Koronowo | 857.13 mi (1,379.42 km) |
