| Castleford to Kaneohe (Hawaii) | 7,059.25 mi (11,360.76 km) |
| Castleford to Kankakee (Illinois) | 3,879.27 mi (6,243.09 km) |
| Castleford to Kannapolis (North Carolina) | 3,877.62 mi (6,240.43 km) |
| Castleford to Kansas City (Kansas) | 4,229.63 mi (6,806.93 km) |
| Castleford to Kansas City (Missouri) | 4,222.74 mi (6,795.84 km) |
| Castleford to Kapaa (Hawaii) | 7,036.73 mi (11,324.53 km) |
| Castleford to Kapolei (Hawaii) | 7,067.99 mi (11,374.83 km) |
| Castleford to Katy (Texas) | 4,758.90 mi (7,658.70 km) |
| Castleford to Kaukauna (Wisconsin) | 3,741.66 mi (6,021.62 km) |
| Castleford to Kaysville (Utah) | 4,708.80 mi (7,578.09 km) |
| Castleford to Kearney (Missouri) | 4,203.94 mi (6,765.59 km) |
| Castleford to Kearney (Nebraska) | 4,302.29 mi (6,923.86 km) |
| Castleford to Kearns (Utah) | 4,731.72 mi (7,614.96 km) |
| Castleford to Kearny (New Jersey) | 3,369.86 mi (5,423.27 km) |
| Castleford to Keene (New Hampshire) | 3,200.24 mi (5,150.29 km) |
