| Tonyrefail to Idar-Oberstein | 487.64 mi (784.79 km) |
| Tonyrefail to Idstein | 518.05 mi (833.72 km) |
| Tonyrefail to Illertissen | 643.67 mi (1,035.89 km) |
| Tonyrefail to Illingen | 484.99 mi (780.51 km) |
| Tonyrefail to Ilmenau | 624.24 mi (1,004.62 km) |
| Tonyrefail to Ilsede | 581.12 mi (935.23 km) |
| Tonyrefail to Ilsenburg | 603.42 mi (971.12 km) |
| Tonyrefail to Ilsfeld | 585.33 mi (942.00 km) |
| Tonyrefail to Ilvesheim | 546.10 mi (878.86 km) |
| Tonyrefail to Immenstadt im Allgau | 670.15 mi (1,078.50 km) |
| Tonyrefail to Ingelheim | 513.44 mi (826.30 km) |
| Tonyrefail to Ingolstadt | 684.29 mi (1,101.26 km) |
| Tonyrefail to Iserlohn | 477.23 mi (768.02 km) |
| Tonyrefail to Isernhagen-Sud | 567.35 mi (913.07 km) |
| Tonyrefail to Ismaning | 709.44 mi (1,141.74 km) |
