| Castel San Giorgio to Idar-Oberstein | 713.09 mi (1,147.61 km) |
| Castel San Giorgio to Idstein | 721.84 mi (1,161.69 km) |
| Castel San Giorgio to Illertissen | 561.47 mi (903.60 km) |
| Castel San Giorgio to Illingen | 700.40 mi (1,127.19 km) |
| Castel San Giorgio to Ilmenau | 707.70 mi (1,138.93 km) |
| Castel San Giorgio to Ilsede | 821.55 mi (1,322.16 km) |
| Castel San Giorgio to Ilsenburg | 789.09 mi (1,269.92 km) |
| Castel San Giorgio to Ilsfeld | 629.94 mi (1,013.79 km) |
| Castel San Giorgio to Ilvesheim | 670.13 mi (1,078.47 km) |
| Castel San Giorgio to Immenstadt im Allgau | 518.45 mi (834.37 km) |
| Castel San Giorgio to Ingelheim | 711.54 mi (1,145.12 km) |
| Castel San Giorgio to Ingolstadt | 574.13 mi (923.97 km) |
| Castel San Giorgio to Iserlohn | 805.33 mi (1,296.05 km) |
| Castel San Giorgio to Isernhagen-Sud | 836.69 mi (1,346.52 km) |
| Castel San Giorgio to Ismaning | 535.35 mi (861.57 km) |
