| Clifton to Idar-Oberstein | 427.54 mi (688.06 km) |
| Clifton to Idstein | 445.84 mi (717.51 km) |
| Clifton to Illertissen | 589.88 mi (949.31 km) |
| Clifton to Illingen | 431.65 mi (694.67 km) |
| Clifton to Ilmenau | 538.45 mi (866.55 km) |
| Clifton to Ilsede | 478.42 mi (769.95 km) |
| Clifton to Ilsenburg | 504.67 mi (812.19 km) |
| Clifton to Ilsfeld | 525.26 mi (845.32 km) |
| Clifton to Ilvesheim | 483.45 mi (778.04 km) |
| Clifton to Immenstadt im Allgau | 622.95 mi (1,002.55 km) |
| Clifton to Ingelheim | 445.76 mi (717.38 km) |
| Clifton to Ingolstadt | 618.72 mi (995.73 km) |
| Clifton to Iserlohn | 389.14 mi (626.26 km) |
| Clifton to Isernhagen-Sud | 463.01 mi (745.13 km) |
| Clifton to Ismaning | 648.63 mi (1,043.87 km) |
