| Castleford to Isny im Allgau | 648.19 mi (1,043.16 km) |
| Castleford to Isselburg | 351.67 mi (565.96 km) |
| Castleford to Issum | 359.02 mi (577.79 km) |
| Castleford to Itzehoe | 443.25 mi (713.34 km) |
| Castleford to Jena | 578.54 mi (931.08 km) |
| Castleford to Jever | 378.99 mi (609.93 km) |
| Castleford to Jork | 452.01 mi (727.44 km) |
| Castleford to Juchen | 376.97 mi (606.68 km) |
| Castleford to Julich | 378.40 mi (608.97 km) |
| Castleford to Juterbog | 612.51 mi (985.74 km) |
| Castleford to Kaarst | 377.13 mi (606.93 km) |
| Castleford to Kaiserslautern | 489.88 mi (788.38 km) |
| Castleford to Kalkar | 347.75 mi (559.64 km) |
| Castleford to Kall | 400.00 mi (643.74 km) |
| Castleford to Kaltenkirchen | 461.62 mi (742.90 km) |
