| Wheat Ridge to Idar-Oberstein | 5,018.51 mi (8,076.52 km) |
| Wheat Ridge to Idstein | 5,026.59 mi (8,089.51 km) |
| Wheat Ridge to Illertissen | 5,180.84 mi (8,337.76 km) |
| Wheat Ridge to Illingen | 5,025.25 mi (8,087.36 km) |
| Wheat Ridge to Ilmenau | 5,089.56 mi (8,190.86 km) |
| Wheat Ridge to Ilsede | 4,991.25 mi (8,032.64 km) |
| Wheat Ridge to Ilsenburg | 5,025.66 mi (8,088.03 km) |
| Wheat Ridge to Ilsfeld | 5,113.59 mi (8,229.52 km) |
| Wheat Ridge to Ilvesheim | 5,071.17 mi (8,161.26 km) |
| Wheat Ridge to Immenstadt im Allgau | 5,216.51 mi (8,395.16 km) |
| Wheat Ridge to Ingelheim | 5,030.90 mi (8,096.44 km) |
| Wheat Ridge to Ingolstadt | 5,198.44 mi (8,366.09 km) |
| Wheat Ridge to Iserlohn | 4,953.09 mi (7,971.22 km) |
| Wheat Ridge to Isernhagen-Sud | 4,973.29 mi (8,003.74 km) |
| Wheat Ridge to Ismaning | 5,232.62 mi (8,421.08 km) |
