| Castleford to Jozefow | 943.21 mi (1,517.95 km) |
| Castleford to Kalisz | 821.59 mi (1,322.23 km) |
| Castleford to Kamien Pomorski | 656.29 mi (1,056.20 km) |
| Castleford to Kamienna Gora | 760.80 mi (1,224.39 km) |
| Castleford to Karczew | 944.83 mi (1,520.55 km) |
| Castleford to Kartuzy | 792.33 mi (1,275.13 km) |
| Castleford to Katowice | 895.46 mi (1,441.10 km) |
| Castleford to Kedzierzyn-Kozle | 860.08 mi (1,384.16 km) |
| Castleford to Kepno | 827.87 mi (1,332.34 km) |
| Castleford to Ketrzyn | 922.07 mi (1,483.93 km) |
| Castleford to Kety | 913.85 mi (1,470.71 km) |
| Castleford to Kielce | 945.65 mi (1,521.88 km) |
| Castleford to Kielczow | 798.39 mi (1,284.88 km) |
| Castleford to Klobuck | 875.26 mi (1,408.60 km) |
| Castleford to Klodzko | 795.11 mi (1,279.61 km) |
