| Rockville to Idar-Oberstein | 4,010.35 mi (6,454.03 km) |
| Rockville to Idstein | 4,034.58 mi (6,493.03 km) |
| Rockville to Illertissen | 4,168.30 mi (6,708.23 km) |
| Rockville to Illingen | 4,009.28 mi (6,452.31 km) |
| Rockville to Ilmenau | 4,126.01 mi (6,640.17 km) |
| Rockville to Ilsede | 4,050.48 mi (6,518.62 km) |
| Rockville to Ilsenburg | 4,081.41 mi (6,568.40 km) |
| Rockville to Ilsfeld | 4,108.63 mi (6,612.20 km) |
| Rockville to Ilvesheim | 4,068.26 mi (6,547.24 km) |
| Rockville to Immenstadt im Allgau | 4,194.21 mi (6,749.94 km) |
| Rockville to Ingelheim | 4,032.91 mi (6,490.34 km) |
| Rockville to Ingolstadt | 4,205.81 mi (6,768.60 km) |
| Rockville to Iserlohn | 3,977.47 mi (6,401.13 km) |
| Rockville to Isernhagen-Sud | 4,033.15 mi (6,490.73 km) |
| Rockville to Ismaning | 4,233.00 mi (6,812.36 km) |
