| Dayton to Idar-Oberstein | 4,259.18 mi (6,854.49 km) |
| Dayton to Idstein | 4,279.16 mi (6,886.64 km) |
| Dayton to Illertissen | 4,419.78 mi (7,112.95 km) |
| Dayton to Illingen | 4,260.27 mi (6,856.25 km) |
| Dayton to Ilmenau | 4,363.60 mi (7,022.54 km) |
| Dayton to Ilsede | 4,281.02 mi (6,889.64 km) |
| Dayton to Ilsenburg | 4,313.23 mi (6,941.48 km) |
| Dayton to Ilsfeld | 4,357.49 mi (7,012.70 km) |
| Dayton to Ilvesheim | 4,316.18 mi (6,946.22 km) |
| Dayton to Immenstadt im Allgau | 4,448.61 mi (7,159.34 km) |
| Dayton to Ingelheim | 4,279.13 mi (6,886.60 km) |
| Dayton to Ingolstadt | 4,452.16 mi (7,165.06 km) |
| Dayton to Iserlohn | 4,216.94 mi (6,786.51 km) |
| Dayton to Isernhagen-Sud | 4,263.34 mi (6,861.18 km) |
| Dayton to Ismaning | 4,481.52 mi (7,212.30 km) |
