| Castleford to Kidricevo | 909.60 mi (1,463.86 km) |
| Castleford to Kobarid | 837.78 mi (1,348.27 km) |
| Castleford to Kobilje | 919.47 mi (1,479.75 km) |
| Castleford to Kocevje | 911.13 mi (1,466.32 km) |
| Castleford to Komen | 864.40 mi (1,391.12 km) |
| Castleford to Komenda | 873.31 mi (1,405.45 km) |
| Castleford to Koper | 876.81 mi (1,411.09 km) |
| Castleford to Kostanjevica na Krki | 921.54 mi (1,483.08 km) |
| Castleford to Kostel | 919.31 mi (1,479.48 km) |
| Castleford to Kozje | 915.87 mi (1,473.94 km) |
| Castleford to Kranj | 866.00 mi (1,393.70 km) |
| Castleford to Kranjska Gora | 833.84 mi (1,341.94 km) |
| Castleford to Krizevci | 915.23 mi (1,472.92 km) |
| Castleford to Krsko | 918.83 mi (1,478.72 km) |
| Castleford to Kuzma | 901.48 mi (1,450.78 km) |
