| Castleford to Kucukcekmece | 1,643.76 mi (2,645.38 km) |
| Castleford to Kucukkuyu | 1,631.41 mi (2,625.51 km) |
| Castleford to Kulp | 2,241.06 mi (3,606.63 km) |
| Castleford to Kulu | 1,899.34 mi (3,056.69 km) |
| Castleford to Kumcati | 2,341.57 mi (3,768.39 km) |
| Castleford to Kursunlu | 1,824.97 mi (2,937.00 km) |
| Castleford to Kurtalan | 2,295.46 mi (3,694.19 km) |
| Castleford to Kusadasi | 1,740.67 mi (2,801.33 km) |
| Castleford to Kutahya | 1,764.35 mi (2,839.45 km) |
| Castleford to Kuzuculu | 2,128.62 mi (3,425.68 km) |
| Castleford to Lapseki | 1,594.80 mi (2,566.58 km) |
| Castleford to Lice | 2,228.92 mi (3,587.09 km) |
| Castleford to Luleburgaz | 1,569.55 mi (2,525.94 km) |
| Castleford to Macka | 2,080.54 mi (3,348.30 km) |
| Castleford to Malatya | 2,140.49 mi (3,444.79 km) |
