| Castleford to Kanjiza | 1,083.51 mi (1,743.74 km) |
| Castleford to Kikinda | 1,108.56 mi (1,784.06 km) |
| Castleford to Kladovo | 1,243.59 mi (2,001.36 km) |
| Castleford to Knic | 1,203.21 mi (1,936.38 km) |
| Castleford to Knjazevac | 1,286.31 mi (2,070.12 km) |
| Castleford to Koceljeva | 1,144.09 mi (1,841.24 km) |
| Castleford to Kosjeric | 1,169.89 mi (1,882.75 km) |
| Castleford to Kovacica | 1,145.93 mi (1,844.20 km) |
| Castleford to Kovin | 1,174.85 mi (1,890.74 km) |
| Castleford to Kragujevac | 1,206.97 mi (1,942.44 km) |
| Castleford to Kraljevo | 1,211.09 mi (1,949.06 km) |
| Castleford to Krupanj | 1,132.68 mi (1,822.87 km) |
| Castleford to Krusevac | 1,241.24 mi (1,997.58 km) |
| Castleford to Kucevo | 1,213.10 mi (1,952.29 km) |
| Castleford to Kula | 1,083.63 mi (1,743.94 km) |
