| Cities | Distance |
|---|---|
| Mainz to Idar-Oberstein | 46.45 mi (74.76 km) |
| Mainz to Idstein | 16.40 mi (26.39 km) |
| Mainz to Illertissen | 147.14 mi (236.79 km) |
| Mainz to Illingen | 68.59 mi (110.39 km) |
| Mainz to Ilmenau | 126.60 mi (203.75 km) |
| Mainz to Ilsede | 178.31 mi (286.95 km) |
| Mainz to Ilsenburg | 167.35 mi (269.32 km) |
| Mainz to Ilsfeld | 78.13 mi (125.73 km) |
| Mainz to Ilvesheim | 37.76 mi (60.77 km) |
| Mainz to Immenstadt im Allgau | 189.09 mi (304.32 km) |
| Mainz to Ingelheim | 9.36 mi (15.07 km) |
| Mainz to Ingolstadt | 165.20 mi (265.86 km) |
| Mainz to Iserlohn | 100.23 mi (161.31 km) |
| Mainz to Isernhagen-Sud | 182.79 mi (294.17 km) |
| Mainz to Ismaning | 196.10 mi (315.60 km) |