| Tettnang to Idar-Oberstein | 175.02 mi (281.67 km) |
| Tettnang to Idstein | 185.97 mi (299.29 km) |
| Tettnang to Illertissen | 44.15 mi (71.05 km) |
| Tettnang to Illingen | 165.34 mi (266.10 km) |
| Tettnang to Ilmenau | 216.69 mi (348.73 km) |
| Tettnang to Ilsede | 318.64 mi (512.81 km) |
| Tettnang to Ilsenburg | 293.99 mi (473.14 km) |
| Tettnang to Ilsfeld | 96.54 mi (155.37 km) |
| Tettnang to Ilvesheim | 132.93 mi (213.93 km) |
| Tettnang to Immenstadt im Allgau | 30.17 mi (48.56 km) |
| Tettnang to Ingelheim | 173.75 mi (279.62 km) |
| Tettnang to Ingolstadt | 113.36 mi (182.44 km) |
| Tettnang to Iserlohn | 270.56 mi (435.43 km) |
| Tettnang to Isernhagen-Sud | 329.34 mi (530.01 km) |
| Tettnang to Ismaning | 103.84 mi (167.12 km) |
