| Ionia to Idar-Oberstein | 4,144.18 mi (6,669.41 km) |
| Ionia to Idstein | 4,161.25 mi (6,696.88 km) |
| Ionia to Illertissen | 4,305.95 mi (6,929.76 km) |
| Ionia to Illingen | 4,146.72 mi (6,673.50 km) |
| Ionia to Ilmenau | 4,240.84 mi (6,824.98 km) |
| Ionia to Ilsede | 4,154.16 mi (6,685.48 km) |
| Ionia to Ilsenburg | 4,187.04 mi (6,738.39 km) |
| Ionia to Ilsfeld | 4,242.11 mi (6,827.02 km) |
| Ionia to Ilvesheim | 4,200.34 mi (6,759.79 km) |
| Ionia to Immenstadt im Allgau | 4,336.66 mi (6,979.18 km) |
| Ionia to Ingelheim | 4,162.30 mi (6,698.58 km) |
| Ionia to Ingolstadt | 4,334.76 mi (6,976.12 km) |
| Ionia to Iserlohn | 4,095.95 mi (6,591.79 km) |
| Ionia to Isernhagen-Sud | 4,136.33 mi (6,656.78 km) |
| Ionia to Ismaning | 4,365.45 mi (7,025.51 km) |
