| Rorschach to Idar-Oberstein | 184.49 mi (296.91 km) |
| Rorschach to Idstein | 198.26 mi (319.08 km) |
| Rorschach to Illertissen | 58.45 mi (94.07 km) |
| Rorschach to Illingen | 173.20 mi (278.74 km) |
| Rorschach to Ilmenau | 231.37 mi (372.36 km) |
| Rorschach to Ilsede | 333.04 mi (535.97 km) |
| Rorschach to Ilsenburg | 308.57 mi (496.60 km) |
| Rorschach to Ilsfeld | 110.00 mi (177.02 km) |
| Rorschach to Ilvesheim | 145.02 mi (233.38 km) |
| Rorschach to Immenstadt im Allgau | 34.15 mi (54.96 km) |
| Rorschach to Ingelheim | 185.35 mi (298.29 km) |
| Rorschach to Ingolstadt | 126.12 mi (202.97 km) |
| Rorschach to Iserlohn | 282.85 mi (455.20 km) |
| Rorschach to Isernhagen-Sud | 343.59 mi (552.95 km) |
| Rorschach to Ismaning | 113.59 mi (182.80 km) |
