| DeForest to Idar-Oberstein | 4,291.05 mi (6,905.77 km) |
| DeForest to Idstein | 4,305.67 mi (6,929.31 km) |
| DeForest to Illertissen | 4,453.41 mi (7,167.07 km) |
| DeForest to Illingen | 4,294.77 mi (6,911.76 km) |
| DeForest to Ilmenau | 4,380.96 mi (7,050.47 km) |
| DeForest to Ilsede | 4,290.86 mi (6,905.48 km) |
| DeForest to Ilsenburg | 4,324.26 mi (6,959.23 km) |
| DeForest to Ilsfeld | 4,388.46 mi (7,062.54 km) |
| DeForest to Ilvesheim | 4,346.39 mi (6,994.84 km) |
| DeForest to Immenstadt im Allgau | 4,485.57 mi (7,218.83 km) |
| DeForest to Ingelheim | 4,307.63 mi (6,932.46 km) |
| DeForest to Ingolstadt | 4,479.22 mi (7,208.61 km) |
| DeForest to Iserlohn | 4,237.93 mi (6,820.29 km) |
| DeForest to Isernhagen-Sud | 4,272.94 mi (6,876.63 km) |
| DeForest to Ismaning | 4,510.94 mi (7,259.66 km) |
