| Herdecke to Idstein | 89.38 mi (143.84 km) |
| Herdecke to Illertissen | 249.63 mi (401.75 km) |
| Herdecke to Illingen | 140.82 mi (226.63 km) |
| Herdecke to Ilmenau | 159.30 mi (256.37 km) |
| Herdecke to Ilsede | 131.79 mi (212.10 km) |
| Herdecke to Ilsenburg | 143.05 mi (230.21 km) |
| Herdecke to Ilsfeld | 181.13 mi (291.50 km) |
| Herdecke to Ilvesheim | 142.22 mi (228.88 km) |
| Herdecke to Immenstadt im Allgau | 292.79 mi (471.20 km) |
| Herdecke to Ingelheim | 102.19 mi (164.45 km) |
| Herdecke to Ingolstadt | 253.93 mi (408.66 km) |
| Herdecke to Iserlohn | 10.13 mi (16.30 km) |
| Herdecke to Isernhagen-Sud | 125.59 mi (202.12 km) |
| Herdecke to Ismaning | 289.39 mi (465.73 km) |
| Herdecke to Isny im Allgau | 281.54 mi (453.10 km) |
