| Illertissen to Idar-Oberstein | 162.64 mi (261.74 km) |
| Illertissen to Idstein | 160.72 mi (258.66 km) |
| Illertissen to Illingen | 159.51 mi (256.71 km) |
| Illertissen to Ilmenau | 174.55 mi (280.91 km) |
| Illertissen to Ilsede | 279.86 mi (450.40 km) |
| Illertissen to Ilsenburg | 253.59 mi (408.11 km) |
| Illertissen to Ilsfeld | 69.01 mi (111.06 km) |
| Illertissen to Ilvesheim | 110.81 mi (178.33 km) |
| Illertissen to Immenstadt im Allgau | 45.33 mi (72.96 km) |
| Illertissen to Ingelheim | 152.18 mi (244.91 km) |
| Illertissen to Ingolstadt | 72.11 mi (116.05 km) |
| Illertissen to Iserlohn | 243.86 mi (392.46 km) |
| Illertissen to Isernhagen-Sud | 291.57 mi (469.24 km) |
| Illertissen to Ismaning | 73.16 mi (117.74 km) |
| Illertissen to Isny im Allgau | 36.32 mi (58.45 km) |
