| Heswall to Idar-Oberstein | 511.97 mi (823.93 km) |
| Heswall to Idstein | 530.75 mi (854.16 km) |
| Heswall to Illertissen | 674.10 mi (1,084.85 km) |
| Heswall to Illingen | 515.45 mi (829.54 km) |
| Heswall to Ilmenau | 622.41 mi (1,001.68 km) |
| Heswall to Ilsede | 558.88 mi (899.43 km) |
| Heswall to Ilsenburg | 586.20 mi (943.40 km) |
| Heswall to Ilsfeld | 609.85 mi (981.47 km) |
| Heswall to Ilvesheim | 568.14 mi (914.34 km) |
| Heswall to Immenstadt im Allgau | 706.55 mi (1,137.08 km) |
| Heswall to Ingelheim | 530.61 mi (853.94 km) |
| Heswall to Ingolstadt | 703.61 mi (1,132.34 km) |
| Heswall to Iserlohn | 473.23 mi (761.59 km) |
| Heswall to Isernhagen-Sud | 542.98 mi (873.83 km) |
| Heswall to Ismaning | 733.38 mi (1,180.27 km) |
