| Rathfarnham to Idar-Oberstein | 633.90 mi (1,020.17 km) |
| Rathfarnham to Idstein | 656.59 mi (1,056.67 km) |
| Rathfarnham to Illertissen | 794.50 mi (1,278.63 km) |
| Rathfarnham to Illingen | 635.03 mi (1,021.98 km) |
| Rathfarnham to Ilmenau | 751.94 mi (1,210.13 km) |
| Rathfarnham to Ilsede | 690.36 mi (1,111.03 km) |
| Rathfarnham to Ilsenburg | 717.48 mi (1,154.67 km) |
| Rathfarnham to Ilsfeld | 732.26 mi (1,178.46 km) |
| Rathfarnham to Ilvesheim | 691.23 mi (1,112.42 km) |
| Rathfarnham to Immenstadt im Allgau | 824.50 mi (1,326.90 km) |
| Rathfarnham to Ingelheim | 655.10 mi (1,054.29 km) |
| Rathfarnham to Ingolstadt | 828.17 mi (1,332.81 km) |
| Rathfarnham to Iserlohn | 602.60 mi (969.79 km) |
| Rathfarnham to Isernhagen-Sud | 674.50 mi (1,085.50 km) |
| Rathfarnham to Ismaning | 856.47 mi (1,378.36 km) |
