| Clarksville to Idar-Oberstein | 4,535.90 mi (7,299.82 km) |
| Clarksville to Idstein | 4,556.45 mi (7,332.90 km) |
| Clarksville to Illertissen | 4,696.18 mi (7,557.77 km) |
| Clarksville to Illingen | 4,536.68 mi (7,301.08 km) |
| Clarksville to Ilmenau | 4,641.72 mi (7,470.13 km) |
| Clarksville to Ilsede | 4,559.75 mi (7,338.22 km) |
| Clarksville to Ilsenburg | 4,591.87 mi (7,389.90 km) |
| Clarksville to Ilsfeld | 4,634.24 mi (7,458.09 km) |
| Clarksville to Ilvesheim | 4,593.05 mi (7,391.80 km) |
| Clarksville to Immenstadt im Allgau | 4,724.57 mi (7,603.46 km) |
| Clarksville to Ingelheim | 4,556.21 mi (7,332.52 km) |
| Clarksville to Ingolstadt | 4,729.29 mi (7,611.06 km) |
| Clarksville to Iserlohn | 4,494.81 mi (7,233.70 km) |
| Clarksville to Isernhagen-Sud | 4,542.09 mi (7,309.79 km) |
| Clarksville to Ismaning | 4,758.37 mi (7,657.85 km) |
