| Key West to Idar-Oberstein | 4,901.98 mi (7,888.97 km) |
| Key West to Idstein | 4,933.28 mi (7,939.34 km) |
| Key West to Illertissen | 5,052.36 mi (8,130.98 km) |
| Key West to Illingen | 4,897.04 mi (7,881.02 km) |
| Key West to Ilmenau | 5,034.97 mi (8,103.00 km) |
| Key West to Ilsede | 4,971.75 mi (8,001.26 km) |
| Key West to Ilsenburg | 5,000.25 mi (8,047.13 km) |
| Key West to Ilsfeld | 4,998.53 mi (8,044.36 km) |
| Key West to Ilvesheim | 4,960.54 mi (7,983.21 km) |
| Key West to Immenstadt im Allgau | 5,072.36 mi (8,163.17 km) |
| Key West to Ingelheim | 4,928.78 mi (7,932.11 km) |
| Key West to Ingolstadt | 5,098.55 mi (8,205.33 km) |
| Key West to Iserlohn | 4,885.72 mi (7,862.80 km) |
| Key West to Isernhagen-Sud | 4,955.22 mi (7,974.65 km) |
| Key West to Ismaning | 5,121.42 mi (8,242.12 km) |
