| North Decatur to Idar-Oberstein | 4,548.60 mi (7,320.27 km) |
| North Decatur to Idstein | 4,572.75 mi (7,359.13 km) |
| North Decatur to Illertissen | 4,706.54 mi (7,574.45 km) |
| North Decatur to Illingen | 4,547.54 mi (7,318.55 km) |
| North Decatur to Ilmenau | 4,663.83 mi (7,505.70 km) |
| North Decatur to Ilsede | 4,587.62 mi (7,383.06 km) |
| North Decatur to Ilsenburg | 4,618.70 mi (7,433.08 km) |
| North Decatur to Ilsfeld | 4,646.89 mi (7,478.44 km) |
| North Decatur to Ilvesheim | 4,606.51 mi (7,413.47 km) |
| North Decatur to Immenstadt im Allgau | 4,732.39 mi (7,616.05 km) |
| North Decatur to Ingelheim | 4,571.13 mi (7,356.52 km) |
| North Decatur to Ingolstadt | 4,744.04 mi (7,634.80 km) |
| North Decatur to Iserlohn | 4,515.38 mi (7,266.81 km) |
| North Decatur to Isernhagen-Sud | 4,570.24 mi (7,355.09 km) |
| North Decatur to Ismaning | 4,771.26 mi (7,678.61 km) |
