| Isernia to Idar-Oberstein | 651.87 mi (1,049.08 km) |
| Isernia to Idstein | 660.37 mi (1,062.77 km) |
| Isernia to Illertissen | 500.00 mi (804.67 km) |
| Isernia to Illingen | 639.40 mi (1,029.01 km) |
| Isernia to Ilmenau | 647.09 mi (1,041.38 km) |
| Isernia to Ilsede | 760.94 mi (1,224.61 km) |
| Isernia to Ilsenburg | 728.66 mi (1,172.66 km) |
| Isernia to Ilsfeld | 568.47 mi (914.86 km) |
| Isernia to Ilvesheim | 608.68 mi (979.58 km) |
| Isernia to Immenstadt im Allgau | 456.99 mi (735.46 km) |
| Isernia to Ingelheim | 650.11 mi (1,046.25 km) |
| Isernia to Ingolstadt | 513.27 mi (826.03 km) |
| Isernia to Iserlohn | 743.86 mi (1,197.13 km) |
| Isernia to Isernhagen-Sud | 775.96 mi (1,248.78 km) |
| Isernia to Ismaning | 474.50 mi (763.63 km) |
