| Clarksburg to Idar-Oberstein | 4,008.49 mi (6,451.04 km) |
| Clarksburg to Idstein | 4,032.56 mi (6,489.77 km) |
| Clarksburg to Illertissen | 4,166.57 mi (6,705.44 km) |
| Clarksburg to Illingen | 4,007.51 mi (6,449.46 km) |
| Clarksburg to Ilmenau | 4,123.72 mi (6,636.49 km) |
| Clarksburg to Ilsede | 4,047.92 mi (6,514.50 km) |
| Clarksburg to Ilsenburg | 4,078.90 mi (6,564.36 km) |
| Clarksburg to Ilsfeld | 4,106.79 mi (6,609.23 km) |
| Clarksburg to Ilvesheim | 4,066.38 mi (6,544.20 km) |
| Clarksburg to Immenstadt im Allgau | 4,192.61 mi (6,747.35 km) |
| Clarksburg to Ingelheim | 4,030.95 mi (6,487.19 km) |
| Clarksburg to Ingolstadt | 4,203.88 mi (6,765.49 km) |
| Clarksburg to Iserlohn | 3,975.24 mi (6,397.53 km) |
| Clarksburg to Isernhagen-Sud | 4,030.57 mi (6,486.58 km) |
| Clarksburg to Ismaning | 4,231.16 mi (6,809.40 km) |
