| Castleford to Kocaali | 1,720.66 mi (2,769.13 km) |
| Castleford to Kocaeli | 1,697.91 mi (2,732.53 km) |
| Castleford to Konak | 1,707.22 mi (2,747.51 km) |
| Castleford to Konakli | 1,976.95 mi (3,181.59 km) |
| Castleford to Konya | 1,935.49 mi (3,114.86 km) |
| Castleford to Koprukoy | 2,208.93 mi (3,554.93 km) |
| Castleford to Korfez | 1,689.83 mi (2,719.51 km) |
| Castleford to Korkut | 2,261.21 mi (3,639.06 km) |
| Castleford to Kose | 2,108.72 mi (3,393.66 km) |
| Castleford to Kovancilar | 2,184.94 mi (3,516.32 km) |
| Castleford to Koyulhisar | 2,031.20 mi (3,268.91 km) |
| Castleford to Kozan | 2,084.08 mi (3,354.00 km) |
| Castleford to Kozlu | 1,738.76 mi (2,798.27 km) |
| Castleford to Kozluk | 2,274.56 mi (3,660.56 km) |
| Castleford to Kucuk Dalyan | 2,158.93 mi (3,474.47 km) |
