| Idar-Oberstein to Traversetolo | 378.81 mi (609.63 km) |
| Idar-Oberstein to Trebaseleghe | 360.36 mi (579.94 km) |
| Idar-Oberstein to Trebisacce | 815.40 mi (1,312.26 km) |
| Idar-Oberstein to Trecastagni | 920.30 mi (1,481.08 km) |
| Idar-Oberstein to Trecate | 302.90 mi (487.46 km) |
| Idar-Oberstein to Treia | 525.86 mi (846.29 km) |
| Idar-Oberstein to Trento | 307.27 mi (494.51 km) |
| Idar-Oberstein to Trentola | 688.79 mi (1,108.51 km) |
| Idar-Oberstein to Trepuzzi | 828.59 mi (1,333.48 km) |
| Idar-Oberstein to Trescore Balneario | 301.17 mi (484.69 km) |
| Idar-Oberstein to Treviglio | 308.32 mi (496.19 km) |
| Idar-Oberstein to Trevignano | 353.29 mi (568.57 km) |
| Idar-Oberstein to Treviso | 361.00 mi (580.97 km) |
| Idar-Oberstein to Trezzano sul Naviglio | 306.66 mi (493.52 km) |
| Idar-Oberstein to Trezzo sull'Adda | 301.45 mi (485.14 km) |
