| Greenock to Idar-Oberstein | 661.70 mi (1,064.91 km) |
| Greenock to Idstein | 668.70 mi (1,076.18 km) |
| Greenock to Illertissen | 823.40 mi (1,325.13 km) |
| Greenock to Illingen | 670.31 mi (1,078.77 km) |
| Greenock to Ilmenau | 740.22 mi (1,191.26 km) |
| Greenock to Ilsede | 655.12 mi (1,054.31 km) |
| Greenock to Ilsenburg | 687.22 mi (1,105.97 km) |
| Greenock to Ilsfeld | 755.73 mi (1,216.23 km) |
| Greenock to Ilvesheim | 713.32 mi (1,147.98 km) |
| Greenock to Immenstadt im Allgau | 860.42 mi (1,384.71 km) |
| Greenock to Ingelheim | 672.90 mi (1,082.93 km) |
| Greenock to Ingolstadt | 841.24 mi (1,353.85 km) |
| Greenock to Iserlohn | 597.49 mi (961.56 km) |
| Greenock to Isernhagen-Sud | 637.50 mi (1,025.96 km) |
| Greenock to Ismaning | 874.81 mi (1,407.88 km) |
