| Solon to Idar-Oberstein | 4,077.28 mi (6,561.76 km) |
| Solon to Idstein | 4,097.50 mi (6,594.28 km) |
| Solon to Illertissen | 4,237.78 mi (6,820.06 km) |
| Solon to Illingen | 4,078.28 mi (6,563.35 km) |
| Solon to Ilmenau | 4,182.41 mi (6,730.94 km) |
| Solon to Ilsede | 4,100.36 mi (6,598.89 km) |
| Solon to Ilsenburg | 4,132.47 mi (6,650.57 km) |
| Solon to Ilsfeld | 4,175.60 mi (6,719.98 km) |
| Solon to Ilvesheim | 4,134.34 mi (6,653.58 km) |
| Solon to Immenstadt im Allgau | 4,266.49 mi (6,866.25 km) |
| Solon to Ingelheim | 4,097.37 mi (6,594.09 km) |
| Solon to Ingolstadt | 4,270.43 mi (6,872.59 km) |
| Solon to Iserlohn | 4,035.59 mi (6,494.65 km) |
| Solon to Isernhagen-Sud | 4,082.70 mi (6,570.47 km) |
| Solon to Ismaning | 4,299.67 mi (6,919.65 km) |
