| Madison to Idar-Oberstein | 4,299.90 mi (6,920.02 km) |
| Madison to Idstein | 4,314.61 mi (6,943.70 km) |
| Madison to Illertissen | 4,462.25 mi (7,181.29 km) |
| Madison to Illingen | 4,303.57 mi (6,925.93 km) |
| Madison to Ilmenau | 4,390.04 mi (7,065.09 km) |
| Madison to Ilsede | 4,300.05 mi (6,920.26 km) |
| Madison to Ilsenburg | 4,333.43 mi (6,973.99 km) |
| Madison to Ilsfeld | 4,397.33 mi (7,076.82 km) |
| Madison to Ilvesheim | 4,355.27 mi (7,009.13 km) |
| Madison to Immenstadt im Allgau | 4,494.35 mi (7,232.97 km) |
| Madison to Ingelheim | 4,316.54 mi (6,946.80 km) |
| Madison to Ingolstadt | 4,488.16 mi (7,223.00 km) |
| Madison to Iserlohn | 4,246.95 mi (6,834.80 km) |
| Madison to Isernhagen-Sud | 4,282.13 mi (6,891.42 km) |
| Madison to Ismaning | 4,519.85 mi (7,273.99 km) |
