| Healdsburg to Idar-Oberstein | 5,621.59 mi (9,047.07 km) |
| Healdsburg to Idstein | 5,619.04 mi (9,042.97 km) |
| Healdsburg to Illertissen | 5,779.08 mi (9,300.52 km) |
| Healdsburg to Illingen | 5,632.96 mi (9,065.37 km) |
| Healdsburg to Ilmenau | 5,660.81 mi (9,110.20 km) |
| Healdsburg to Ilsede | 5,553.10 mi (8,936.84 km) |
| Healdsburg to Ilsenburg | 5,587.92 mi (8,992.89 km) |
| Healdsburg to Ilsfeld | 5,710.11 mi (9,189.53 km) |
| Healdsburg to Ilvesheim | 5,668.40 mi (9,122.41 km) |
| Healdsburg to Immenstadt im Allgau | 5,819.39 mi (9,365.40 km) |
| Healdsburg to Ingelheim | 5,626.93 mi (9,055.66 km) |
| Healdsburg to Ingolstadt | 5,782.99 mi (9,306.83 km) |
| Healdsburg to Iserlohn | 5,538.82 mi (8,913.87 km) |
| Healdsburg to Isernhagen-Sud | 5,535.68 mi (8,908.82 km) |
| Healdsburg to Ismaning | 5,820.05 mi (9,366.46 km) |
