| Clemson to Idar-Oberstein | 4,446.03 mi (7,155.19 km) |
| Clemson to Idstein | 4,470.41 mi (7,194.42 km) |
| Clemson to Illertissen | 4,603.80 mi (7,409.10 km) |
| Clemson to Illingen | 4,444.85 mi (7,153.29 km) |
| Clemson to Ilmenau | 4,561.88 mi (7,341.64 km) |
| Clemson to Ilsede | 4,486.16 mi (7,219.78 km) |
| Clemson to Ilsenburg | 4,517.15 mi (7,269.65 km) |
| Clemson to Ilsfeld | 4,544.29 mi (7,313.33 km) |
| Clemson to Ilvesheim | 4,503.97 mi (7,248.45 km) |
| Clemson to Immenstadt im Allgau | 4,629.50 mi (7,450.47 km) |
| Clemson to Ingelheim | 4,468.69 mi (7,191.66 km) |
| Clemson to Ingolstadt | 4,641.57 mi (7,469.88 km) |
| Clemson to Iserlohn | 4,413.36 mi (7,102.61 km) |
| Clemson to Isernhagen-Sud | 4,468.81 mi (7,191.86 km) |
| Clemson to Ismaning | 4,668.66 mi (7,513.49 km) |
