| Castel Volturno to Isny im Allgau | 497.10 mi (800.00 km) |
| Castel Volturno to Isselburg | 824.14 mi (1,326.32 km) |
| Castel Volturno to Issum | 807.18 mi (1,299.04 km) |
| Castel Volturno to Itzehoe | 912.54 mi (1,468.59 km) |
| Castel Volturno to Jena | 691.46 mi (1,112.80 km) |
| Castel Volturno to Jever | 909.27 mi (1,463.34 km) |
| Castel Volturno to Jork | 884.72 mi (1,423.82 km) |
| Castel Volturno to Juchen | 779.18 mi (1,253.98 km) |
| Castel Volturno to Julich | 771.66 mi (1,241.87 km) |
| Castel Volturno to Juterbog | 757.16 mi (1,218.53 km) |
| Castel Volturno to Kaarst | 783.68 mi (1,261.21 km) |
| Castel Volturno to Kaiserslautern | 652.05 mi (1,049.37 km) |
| Castel Volturno to Kalkar | 821.99 mi (1,322.87 km) |
| Castel Volturno to Kall | 745.29 mi (1,199.42 km) |
| Castel Volturno to Kaltenkirchen | 902.45 mi (1,452.35 km) |
