| Clay to Idar-Oberstein | 4,647.95 mi (7,480.15 km) |
| Clay to Idstein | 4,670.86 mi (7,517.02 km) |
| Clay to Illertissen | 4,806.78 mi (7,735.76 km) |
| Clay to Illingen | 4,647.51 mi (7,479.45 km) |
| Clay to Ilmenau | 4,759.92 mi (7,660.35 km) |
| Clay to Ilsede | 4,681.57 mi (7,534.26 km) |
| Clay to Ilsenburg | 4,713.05 mi (7,584.92 km) |
| Clay to Ilsfeld | 4,746.31 mi (7,638.44 km) |
| Clay to Ilvesheim | 4,705.63 mi (7,572.97 km) |
| Clay to Immenstadt im Allgau | 4,833.50 mi (7,778.77 km) |
| Clay to Ingelheim | 4,669.72 mi (7,515.18 km) |
| Clay to Ingolstadt | 4,842.79 mi (7,793.71 km) |
| Clay to Iserlohn | 4,611.94 mi (7,422.20 km) |
| Clay to Isernhagen-Sud | 4,664.08 mi (7,506.11 km) |
| Clay to Ismaning | 4,870.66 mi (7,838.58 km) |
