| Castleton to Isny im Allgau | 671.16 mi (1,080.13 km) |
| Castleton to Isselburg | 381.23 mi (613.53 km) |
| Castleton to Issum | 387.60 mi (623.79 km) |
| Castleton to Itzehoe | 477.53 mi (768.51 km) |
| Castleton to Jena | 609.19 mi (980.40 km) |
| Castleton to Jever | 412.89 mi (664.49 km) |
| Castleton to Jork | 485.97 mi (782.09 km) |
| Castleton to Juchen | 404.21 mi (650.51 km) |
| Castleton to Julich | 404.87 mi (651.57 km) |
| Castleton to Juterbog | 645.21 mi (1,038.36 km) |
| Castleton to Kaarst | 404.87 mi (651.58 km) |
| Castleton to Kaiserslautern | 513.87 mi (826.99 km) |
| Castleton to Kalkar | 376.85 mi (606.48 km) |
| Castleton to Kall | 425.51 mi (684.79 km) |
| Castleton to Kaltenkirchen | 495.84 mi (797.98 km) |
