| Castenaso to Idar-Oberstein | 408.98 mi (658.19 km) |
| Castenaso to Idstein | 421.88 mi (678.96 km) |
| Castenaso to Illertissen | 264.52 mi (425.70 km) |
| Castenaso to Illingen | 395.44 mi (636.40 km) |
| Castenaso to Ilmenau | 427.36 mi (687.78 km) |
| Castenaso to Ilsede | 539.18 mi (867.72 km) |
| Castenaso to Ilsenburg | 509.60 mi (820.13 km) |
| Castenaso to Ilsfeld | 330.79 mi (532.36 km) |
| Castenaso to Ilvesheim | 369.11 mi (594.03 km) |
| Castenaso to Immenstadt im Allgau | 219.61 mi (353.42 km) |
| Castenaso to Ingelheim | 410.04 mi (659.90 km) |
| Castenaso to Ingolstadt | 293.89 mi (472.97 km) |
| Castenaso to Iserlohn | 506.32 mi (814.84 km) |
| Castenaso to Isernhagen-Sud | 552.46 mi (889.09 km) |
| Castenaso to Ismaning | 256.98 mi (413.57 km) |
