| Clayton to Idar-Oberstein | 480.58 mi (773.42 km) |
| Clayton to Idstein | 493.99 mi (795.01 km) |
| Clayton to Illertissen | 643.20 mi (1,035.13 km) |
| Clayton to Illingen | 486.81 mi (783.44 km) |
| Clayton to Ilmenau | 578.76 mi (931.43 km) |
| Clayton to Ilsede | 508.78 mi (818.80 km) |
| Clayton to Ilsenburg | 537.48 mi (865.00 km) |
| Clayton to Ilsfeld | 577.06 mi (928.69 km) |
| Clayton to Ilvesheim | 534.83 mi (860.72 km) |
| Clayton to Immenstadt im Allgau | 678.08 mi (1,091.26 km) |
| Clayton to Ingelheim | 495.76 mi (797.84 km) |
| Clayton to Ingolstadt | 667.57 mi (1,074.34 km) |
| Clayton to Iserlohn | 430.70 mi (693.14 km) |
| Clayton to Isernhagen-Sud | 492.35 mi (792.36 km) |
| Clayton to Ismaning | 699.06 mi (1,125.02 km) |
