| Rockville Centre to Idar-Oberstein | 3,797.12 mi (6,110.87 km) |
| Rockville Centre to Idstein | 3,821.90 mi (6,150.75 km) |
| Rockville Centre to Illertissen | 3,954.66 mi (6,364.42 km) |
| Rockville Centre to Illingen | 3,795.78 mi (6,108.72 km) |
| Rockville Centre to Ilmenau | 3,914.28 mi (6,299.43 km) |
| Rockville Centre to Ilsede | 3,839.94 mi (6,179.78 km) |
| Rockville Centre to Ilsenburg | 3,870.63 mi (6,229.18 km) |
| Rockville Centre to Ilsfeld | 3,895.35 mi (6,268.96 km) |
| Rockville Centre to Ilvesheim | 3,855.12 mi (6,204.22 km) |
| Rockville Centre to Immenstadt im Allgau | 3,980.24 mi (6,405.57 km) |
| Rockville Centre to Ingelheim | 3,820.01 mi (6,147.71 km) |
| Rockville Centre to Ingolstadt | 3,992.80 mi (6,425.80 km) |
| Rockville Centre to Iserlohn | 3,765.56 mi (6,060.08 km) |
| Rockville Centre to Isernhagen-Sud | 3,822.68 mi (6,152.01 km) |
| Rockville Centre to Ismaning | 4,019.71 mi (6,469.09 km) |
