| Cities | Distance |
|---|---|
| Formia to Idar-Oberstein | 657.97 mi (1,058.90 km) |
| Formia to Idstein | 669.71 mi (1,077.79 km) |
| Formia to Illertissen | 510.40 mi (821.41 km) |
| Formia to Illingen | 644.14 mi (1,036.64 km) |
| Formia to Ilmenau | 663.31 mi (1,067.49 km) |
| Formia to Ilsede | 776.97 mi (1,250.41 km) |
| Formia to Ilsenburg | 745.36 mi (1,199.55 km) |
| Formia to Ilsfeld | 578.08 mi (930.32 km) |
| Formia to Ilvesheim | 617.32 mi (993.48 km) |
| Formia to Immenstadt im Allgau | 466.39 mi (750.58 km) |
| Formia to Ingelheim | 658.48 mi (1,059.72 km) |
| Formia to Ingolstadt | 528.84 mi (851.08 km) |
| Formia to Iserlohn | 753.82 mi (1,213.16 km) |
| Formia to Isernhagen-Sud | 791.50 mi (1,273.80 km) |
| Formia to Ismaning | 490.20 mi (788.89 km) |