| Fort Thomas to Idar-Oberstein | 4,301.96 mi (6,923.34 km) |
| Fort Thomas to Idstein | 4,322.32 mi (6,956.11 km) |
| Fort Thomas to Illertissen | 4,462.37 mi (7,181.48 km) |
| Fort Thomas to Illingen | 4,302.86 mi (6,924.78 km) |
| Fort Thomas to Ilmenau | 4,407.38 mi (7,092.99 km) |
| Fort Thomas to Ilsede | 4,325.34 mi (6,960.96 km) |
| Fort Thomas to Ilsenburg | 4,357.46 mi (7,012.65 km) |
| Fort Thomas to Ilsfeld | 4,400.29 mi (7,081.59 km) |
| Fort Thomas to Ilvesheim | 4,359.06 mi (7,015.23 km) |
| Fort Thomas to Immenstadt im Allgau | 4,490.93 mi (7,227.45 km) |
| Fort Thomas to Ingelheim | 4,322.15 mi (6,955.83 km) |
| Fort Thomas to Ingolstadt | 4,495.22 mi (7,234.35 km) |
| Fort Thomas to Iserlohn | 4,260.52 mi (6,856.65 km) |
| Fort Thomas to Isernhagen-Sud | 4,307.67 mi (6,932.53 km) |
| Fort Thomas to Ismaning | 4,524.39 mi (7,281.30 km) |
