| Mostoles to Idar-Oberstein | 845.47 mi (1,360.65 km) |
| Mostoles to Idstein | 900.53 mi (1,449.26 km) |
| Mostoles to Illertissen | 876.87 mi (1,411.19 km) |
| Mostoles to Illingen | 820.76 mi (1,320.88 km) |
| Mostoles to Ilmenau | 1,008.39 mi (1,622.85 km) |
| Mostoles to Ilsede | 1,059.00 mi (1,704.30 km) |
| Mostoles to Ilsenburg | 1,054.80 mi (1,697.54 km) |
| Mostoles to Ilsfeld | 879.64 mi (1,415.64 km) |
| Mostoles to Ilvesheim | 874.75 mi (1,407.77 km) |
| Mostoles to Immenstadt im Allgau | 858.43 mi (1,381.50 km) |
| Mostoles to Ingelheim | 881.73 mi (1,419.00 km) |
| Mostoles to Ingolstadt | 948.97 mi (1,527.21 km) |
| Mostoles to Iserlohn | 941.47 mi (1,515.15 km) |
| Mostoles to Isernhagen-Sud | 1,057.82 mi (1,702.39 km) |
| Mostoles to Ismaning | 939.63 mi (1,512.18 km) |
