| Silver Spring to Idar-Oberstein | 4,008.50 mi (6,451.05 km) |
| Silver Spring to Idstein | 4,032.86 mi (6,490.26 km) |
| Silver Spring to Illertissen | 4,166.34 mi (6,705.08 km) |
| Silver Spring to Illingen | 4,007.36 mi (6,449.22 km) |
| Silver Spring to Ilmenau | 4,124.50 mi (6,637.74 km) |
| Silver Spring to Ilsede | 4,049.20 mi (6,516.55 km) |
| Silver Spring to Ilsenburg | 4,080.09 mi (6,566.26 km) |
| Silver Spring to Ilsfeld | 4,106.77 mi (6,609.20 km) |
| Silver Spring to Ilvesheim | 4,066.43 mi (6,544.29 km) |
| Silver Spring to Immenstadt im Allgau | 4,192.17 mi (6,746.64 km) |
| Silver Spring to Ingelheim | 4,031.14 mi (6,487.49 km) |
| Silver Spring to Ingolstadt | 4,204.02 mi (6,765.71 km) |
| Silver Spring to Iserlohn | 3,975.92 mi (6,398.63 km) |
| Silver Spring to Isernhagen-Sud | 4,031.88 mi (6,488.68 km) |
| Silver Spring to Ismaning | 4,231.14 mi (6,809.36 km) |
