| Grangemouth to Idar-Oberstein | 632.04 mi (1,017.17 km) |
| Grangemouth to Idstein | 636.77 mi (1,024.79 km) |
| Grangemouth to Illertissen | 792.95 mi (1,276.12 km) |
| Grangemouth to Illingen | 641.72 mi (1,032.74 km) |
| Grangemouth to Ilmenau | 704.98 mi (1,134.56 km) |
| Grangemouth to Ilsede | 617.85 mi (994.33 km) |
| Grangemouth to Ilsenburg | 650.29 mi (1,046.54 km) |
| Grangemouth to Ilsfeld | 724.85 mi (1,166.53 km) |
| Grangemouth to Ilvesheim | 682.48 mi (1,098.35 km) |
| Grangemouth to Immenstadt im Allgau | 830.83 mi (1,337.09 km) |
| Grangemouth to Ingelheim | 641.72 mi (1,032.75 km) |
| Grangemouth to Ingolstadt | 808.57 mi (1,301.26 km) |
| Grangemouth to Iserlohn | 563.82 mi (907.37 km) |
| Grangemouth to Isernhagen-Sud | 600.14 mi (965.84 km) |
| Grangemouth to Ismaning | 842.70 mi (1,356.19 km) |
