| Humlebaek to Idstein | 433.88 mi (698.26 km) |
| Humlebaek to Illertissen | 544.94 mi (877.00 km) |
| Humlebaek to Illingen | 509.10 mi (819.32 km) |
| Humlebaek to Ilmenau | 370.56 mi (596.37 km) |
| Humlebaek to Ilsede | 272.27 mi (438.17 km) |
| Humlebaek to Ilsenburg | 292.63 mi (470.94 km) |
| Humlebaek to Ilsfeld | 496.83 mi (799.58 km) |
| Humlebaek to Ilvesheim | 477.74 mi (768.85 km) |
| Humlebaek to Immenstadt im Allgau | 588.25 mi (946.70 km) |
| Humlebaek to Ingelheim | 453.27 mi (729.46 km) |
| Humlebaek to Ingolstadt | 499.48 mi (803.83 km) |
| Humlebaek to Iserlohn | 373.41 mi (600.94 km) |
| Humlebaek to Isernhagen-Sud | 266.43 mi (428.77 km) |
| Humlebaek to Ismaning | 535.63 mi (862.01 km) |
| Humlebaek to Isny im Allgau | 581.02 mi (935.07 km) |
