| Trentham to Idar-Oberstein | 467.26 mi (751.99 km) |
| Trentham to Idstein | 486.99 mi (783.74 km) |
| Trentham to Illertissen | 629.24 mi (1,012.67 km) |
| Trentham to Illingen | 470.46 mi (757.13 km) |
| Trentham to Ilmenau | 580.67 mi (934.50 km) |
| Trentham to Ilsede | 520.64 mi (837.90 km) |
| Trentham to Ilsenburg | 547.03 mi (880.35 km) |
| Trentham to Ilsfeld | 565.27 mi (909.72 km) |
| Trentham to Ilvesheim | 523.67 mi (842.77 km) |
| Trentham to Immenstadt im Allgau | 661.47 mi (1,064.54 km) |
| Trentham to Ingelheim | 486.45 mi (782.86 km) |
| Trentham to Ingolstadt | 659.53 mi (1,061.41 km) |
| Trentham to Iserlohn | 431.34 mi (694.17 km) |
| Trentham to Isernhagen-Sud | 505.15 mi (812.95 km) |
| Trentham to Ismaning | 688.97 mi (1,108.79 km) |
