| Rorschach to Isny im Allgau | 29.57 mi (47.58 km) |
| Rorschach to Isselburg | 330.73 mi (532.25 km) |
| Rorschach to Issum | 313.33 mi (504.25 km) |
| Rorschach to Itzehoe | 446.23 mi (718.13 km) |
| Rorschach to Jena | 256.95 mi (413.53 km) |
| Rorschach to Jever | 427.78 mi (688.44 km) |
| Rorschach to Jork | 419.31 mi (674.82 km) |
| Rorschach to Juchen | 285.11 mi (458.83 km) |
| Rorschach to Julich | 277.65 mi (446.84 km) |
| Rorschach to Juterbog | 351.01 mi (564.89 km) |
| Rorschach to Kaarst | 289.74 mi (466.29 km) |
| Rorschach to Kaiserslautern | 158.01 mi (254.29 km) |
| Rorschach to Kalkar | 328.19 mi (528.17 km) |
| Rorschach to Kall | 251.46 mi (404.68 km) |
| Rorschach to Kaltenkirchen | 440.79 mi (709.38 km) |
