| Castleford to Koscian | 756.78 mi (1,217.92 km) |
| Castleford to Koscielisko | 959.22 mi (1,543.72 km) |
| Castleford to Koscierzyna | 785.02 mi (1,263.36 km) |
| Castleford to Kostrzyn | 774.65 mi (1,246.68 km) |
| Castleford to Kostrzyn nad Odra | 667.01 mi (1,073.44 km) |
| Castleford to Koszalin | 711.97 mi (1,145.81 km) |
| Castleford to Kowary | 752.50 mi (1,211.02 km) |
| Castleford to Kozienice | 967.75 mi (1,557.44 km) |
| Castleford to Kozuchow | 720.47 mi (1,159.48 km) |
| Castleford to Kozy | 912.12 mi (1,467.91 km) |
| Castleford to Krakow | 938.48 mi (1,510.33 km) |
| Castleford to Krapkowice | 847.47 mi (1,363.87 km) |
| Castleford to Krasnik | 1,009.32 mi (1,624.35 km) |
| Castleford to Krasnystaw | 1,047.26 mi (1,685.40 km) |
| Castleford to Krosno | 1,022.81 mi (1,646.06 km) |
