| Guadarrama to Idar-Oberstein | 833.75 mi (1,341.80 km) |
| Guadarrama to Idstein | 888.94 mi (1,430.62 km) |
| Guadarrama to Illertissen | 869.73 mi (1,399.69 km) |
| Guadarrama to Illingen | 809.27 mi (1,302.40 km) |
| Guadarrama to Ilmenau | 998.14 mi (1,606.36 km) |
| Guadarrama to Ilsede | 1,046.37 mi (1,683.98 km) |
| Guadarrama to Ilsenburg | 1,042.95 mi (1,678.47 km) |
| Guadarrama to Ilsfeld | 870.51 mi (1,400.95 km) |
| Guadarrama to Ilvesheim | 864.44 mi (1,391.18 km) |
| Guadarrama to Immenstadt im Allgau | 852.52 mi (1,371.99 km) |
| Guadarrama to Ingelheim | 870.29 mi (1,400.59 km) |
| Guadarrama to Ingolstadt | 941.83 mi (1,515.74 km) |
| Guadarrama to Iserlohn | 927.99 mi (1,493.45 km) |
| Guadarrama to Isernhagen-Sud | 1,044.80 mi (1,681.44 km) |
| Guadarrama to Ismaning | 933.52 mi (1,502.36 km) |
