| Caister-on-Sea to Idar-Oberstein | 315.54 mi (507.81 km) |
| Caister-on-Sea to Idstein | 327.81 mi (527.55 km) |
| Caister-on-Sea to Illertissen | 477.93 mi (769.16 km) |
| Caister-on-Sea to Illingen | 323.35 mi (520.38 km) |
| Caister-on-Sea to Ilmenau | 416.12 mi (669.68 km) |
| Caister-on-Sea to Ilsede | 356.55 mi (573.81 km) |
| Caister-on-Sea to Ilsenburg | 382.13 mi (614.97 km) |
| Caister-on-Sea to Ilsfeld | 411.26 mi (661.86 km) |
| Caister-on-Sea to Ilvesheim | 368.94 mi (593.76 km) |
| Caister-on-Sea to Immenstadt im Allgau | 513.89 mi (827.03 km) |
| Caister-on-Sea to Ingelheim | 329.62 mi (530.48 km) |
| Caister-on-Sea to Ingolstadt | 501.37 mi (806.88 km) |
| Caister-on-Sea to Iserlohn | 266.99 mi (429.67 km) |
| Caister-on-Sea to Isernhagen-Sud | 341.53 mi (549.64 km) |
| Caister-on-Sea to Ismaning | 532.89 mi (857.61 km) |
