| Tonypandy to Idar-Oberstein | 489.03 mi (787.02 km) |
| Tonypandy to Idstein | 519.21 mi (835.59 km) |
| Tonypandy to Illertissen | 645.25 mi (1,038.43 km) |
| Tonypandy to Illingen | 486.50 mi (782.94 km) |
| Tonypandy to Ilmenau | 625.14 mi (1,006.06 km) |
| Tonypandy to Ilsede | 581.54 mi (935.90 km) |
| Tonypandy to Ilsenburg | 603.97 mi (971.99 km) |
| Tonypandy to Ilsfeld | 586.77 mi (944.31 km) |
| Tonypandy to Ilvesheim | 547.47 mi (881.06 km) |
| Tonypandy to Immenstadt im Allgau | 671.85 mi (1,081.24 km) |
| Tonypandy to Ingelheim | 514.69 mi (828.31 km) |
| Tonypandy to Ingolstadt | 685.65 mi (1,103.45 km) |
| Tonypandy to Iserlohn | 477.99 mi (769.25 km) |
| Tonypandy to Isernhagen-Sud | 567.72 mi (913.65 km) |
| Tonypandy to Ismaning | 710.91 mi (1,144.10 km) |
