| Gliwice to Idar-Oberstein | 505.32 mi (813.23 km) |
| Gliwice to Idstein | 458.78 mi (738.33 km) |
| Gliwice to Illertissen | 412.32 mi (663.57 km) |
| Gliwice to Illingen | 520.87 mi (838.26 km) |
| Gliwice to Ilmenau | 341.57 mi (549.70 km) |
| Gliwice to Ilsede | 391.17 mi (629.52 km) |
| Gliwice to Ilsenburg | 363.21 mi (584.53 km) |
| Gliwice to Ilsfeld | 429.33 mi (690.95 km) |
| Gliwice to Ilvesheim | 452.79 mi (728.69 km) |
| Gliwice to Immenstadt im Allgau | 426.73 mi (686.76 km) |
| Gliwice to Ingelheim | 470.05 mi (756.47 km) |
| Gliwice to Ingolstadt | 341.19 mi (549.10 km) |
| Gliwice to Iserlohn | 485.52 mi (781.37 km) |
| Gliwice to Isernhagen-Sud | 407.77 mi (656.25 km) |
| Gliwice to Ismaning | 345.78 mi (556.47 km) |
