| Helston to Idar-Oberstein | 559.92 mi (901.10 km) |
| Helston to Idstein | 598.75 mi (963.60 km) |
| Helston to Illertissen | 704.51 mi (1,133.80 km) |
| Helston to Illingen | 551.88 mi (888.16 km) |
| Helston to Ilmenau | 712.84 mi (1,147.21 km) |
| Helston to Ilsede | 684.39 mi (1,101.43 km) |
| Helston to Ilsenburg | 703.10 mi (1,131.52 km) |
| Helston to Ilsfeld | 653.53 mi (1,051.76 km) |
| Helston to Ilvesheim | 617.91 mi (994.44 km) |
| Helston to Immenstadt im Allgau | 724.31 mi (1,165.67 km) |
| Helston to Ingelheim | 590.67 mi (950.60 km) |
| Helston to Ingolstadt | 754.25 mi (1,213.85 km) |
| Helston to Iserlohn | 571.77 mi (920.17 km) |
| Helston to Isernhagen-Sud | 672.18 mi (1,081.78 km) |
| Helston to Ismaning | 774.59 mi (1,246.59 km) |
