| Harwich to Idar-Oberstein | 305.22 mi (491.21 km) |
| Harwich to Idstein | 326.28 mi (525.09 km) |
| Harwich to Illertissen | 467.30 mi (752.05 km) |
| Harwich to Illingen | 308.84 mi (497.04 km) |
| Harwich to Ilmenau | 425.46 mi (684.71 km) |
| Harwich to Ilsede | 378.93 mi (609.83 km) |
| Harwich to Ilsenburg | 401.23 mi (645.72 km) |
| Harwich to Ilsfeld | 403.25 mi (648.97 km) |
| Harwich to Ilvesheim | 361.72 mi (582.13 km) |
| Harwich to Immenstadt im Allgau | 500.13 mi (804.88 km) |
| Harwich to Ingelheim | 324.91 mi (522.89 km) |
| Harwich to Ingolstadt | 498.03 mi (801.50 km) |
| Harwich to Iserlohn | 276.88 mi (445.59 km) |
| Harwich to Isernhagen-Sud | 365.37 mi (588.00 km) |
| Harwich to Ismaning | 527.05 mi (848.20 km) |
