| Isernia to Isny im Allgau | 468.47 mi (753.93 km) |
| Isernia to Isselburg | 795.94 mi (1,280.93 km) |
| Isernia to Issum | 779.44 mi (1,254.38 km) |
| Isernia to Itzehoe | 878.69 mi (1,414.11 km) |
| Isernia to Jena | 656.49 mi (1,056.51 km) |
| Isernia to Jever | 877.46 mi (1,412.13 km) |
| Isernia to Jork | 850.89 mi (1,369.37 km) |
| Isernia to Juchen | 751.94 mi (1,210.13 km) |
| Isernia to Julich | 744.92 mi (1,198.83 km) |
| Isernia to Juterbog | 720.01 mi (1,158.74 km) |
| Isernia to Kaarst | 756.10 mi (1,216.82 km) |
| Isernia to Kaiserslautern | 625.30 mi (1,006.33 km) |
| Isernia to Kalkar | 794.16 mi (1,278.08 km) |
| Isernia to Kall | 718.83 mi (1,156.84 km) |
| Isernia to Kaltenkirchen | 868.16 mi (1,397.17 km) |
