| Castro Daire to Isny im Allgau | 1,001.72 mi (1,612.12 km) |
| Castro Daire to Isselburg | 1,017.12 mi (1,636.89 km) |
| Castro Daire to Issum | 1,002.16 mi (1,612.82 km) |
| Castro Daire to Itzehoe | 1,208.18 mi (1,944.37 km) |
| Castro Daire to Jena | 1,160.42 mi (1,867.52 km) |
| Castro Daire to Jever | 1,143.06 mi (1,839.57 km) |
| Castro Daire to Jork | 1,195.83 mi (1,924.51 km) |
| Castro Daire to Juchen | 984.94 mi (1,585.11 km) |
| Castro Daire to Julich | 972.22 mi (1,564.64 km) |
| Castro Daire to Juterbog | 1,252.26 mi (2,015.32 km) |
| Castro Daire to Kaarst | 993.90 mi (1,599.52 km) |
| Castro Daire to Kaiserslautern | 962.97 mi (1,549.75 km) |
| Castro Daire to Kalkar | 1,007.23 mi (1,620.98 km) |
| Castro Daire to Kall | 962.50 mi (1,548.99 km) |
| Castro Daire to Kaltenkirchen | 1,218.10 mi (1,960.35 km) |
