| Ironton to Idar-Oberstein | 4,257.75 mi (6,852.19 km) |
| Ironton to Idstein | 4,279.47 mi (6,887.14 km) |
| Ironton to Illertissen | 4,417.39 mi (7,109.11 km) |
| Ironton to Illingen | 4,257.96 mi (6,852.52 km) |
| Ironton to Ilmenau | 4,366.78 mi (7,027.65 km) |
| Ironton to Ilsede | 4,286.89 mi (6,899.08 km) |
| Ironton to Ilsenburg | 4,318.63 mi (6,950.17 km) |
| Ironton to Ilsfeld | 4,356.13 mi (7,010.51 km) |
| Ironton to Ilvesheim | 4,315.17 mi (6,944.59 km) |
| Ironton to Immenstadt im Allgau | 4,445.04 mi (7,153.60 km) |
| Ironton to Ingelheim | 4,278.78 mi (6,886.03 km) |
| Ironton to Ingolstadt | 4,451.90 mi (7,164.64 km) |
| Ironton to Iserlohn | 4,219.25 mi (6,790.22 km) |
| Ironton to Isernhagen-Sud | 4,269.33 mi (6,870.82 km) |
| Ironton to Ismaning | 4,480.40 mi (7,210.50 km) |
