| Castellabate to Isny im Allgau | 567.16 mi (912.75 km) |
| Castellabate to Isselburg | 894.61 mi (1,439.74 km) |
| Castellabate to Issum | 878.05 mi (1,413.08 km) |
| Castellabate to Itzehoe | 976.18 mi (1,571.01 km) |
| Castellabate to Jena | 753.30 mi (1,212.32 km) |
| Castellabate to Jever | 975.87 mi (1,570.51 km) |
| Castellabate to Jork | 948.40 mi (1,526.31 km) |
| Castellabate to Juchen | 850.46 mi (1,368.68 km) |
| Castellabate to Julich | 843.32 mi (1,357.19 km) |
| Castellabate to Juterbog | 814.30 mi (1,310.49 km) |
| Castellabate to Kaarst | 854.68 mi (1,375.47 km) |
| Castellabate to Kaiserslautern | 723.68 mi (1,164.65 km) |
| Castellabate to Kalkar | 892.79 mi (1,436.81 km) |
| Castellabate to Kall | 817.15 mi (1,315.07 km) |
| Castellabate to Kaltenkirchen | 965.37 mi (1,553.62 km) |
