| Grimstad to Idar-Oberstein | 598.44 mi (963.10 km) |
| Grimstad to Idstein | 561.18 mi (903.13 km) |
| Grimstad to Illertissen | 702.14 mi (1,129.99 km) |
| Grimstad to Illingen | 622.49 mi (1,001.80 km) |
| Grimstad to Ilmenau | 537.10 mi (864.38 km) |
| Grimstad to Ilsede | 424.26 mi (682.78 km) |
| Grimstad to Ilsenburg | 454.80 mi (731.93 km) |
| Grimstad to Ilsfeld | 642.46 mi (1,033.95 km) |
| Grimstad to Ilvesheim | 612.72 mi (986.08 km) |
| Grimstad to Immenstadt im Allgau | 747.40 mi (1,202.83 km) |
| Grimstad to Ingelheim | 578.42 mi (930.88 km) |
| Grimstad to Ingolstadt | 671.71 mi (1,081.01 km) |
| Grimstad to Iserlohn | 482.09 mi (775.86 km) |
| Grimstad to Isernhagen-Sud | 411.07 mi (661.55 km) |
| Grimstad to Ismaning | 710.11 mi (1,142.81 km) |
