| Idar-Oberstein to Tricase | 864.06 mi (1,390.58 km) |
| Idar-Oberstein to Trieste | 410.77 mi (661.07 km) |
| Idar-Oberstein to Triggiano | 756.29 mi (1,217.13 km) |
| Idar-Oberstein to Trinitapoli | 716.33 mi (1,152.83 km) |
| Idar-Oberstein to Trissino | 342.84 mi (551.75 km) |
| Idar-Oberstein to Triuggio | 293.83 mi (472.88 km) |
| Idar-Oberstein to Trofarello | 327.27 mi (526.69 km) |
| Idar-Oberstein to Troina | 899.79 mi (1,448.08 km) |
| Idar-Oberstein to Turin | 320.50 mi (515.80 km) |
| Idar-Oberstein to Udine | 372.15 mi (598.92 km) |
| Idar-Oberstein to Ugento | 858.03 mi (1,380.87 km) |
| Idar-Oberstein to Umbertide | 502.95 mi (809.41 km) |
| Idar-Oberstein to Urbino | 484.15 mi (779.16 km) |
| Idar-Oberstein to Urgnano | 305.07 mi (490.97 km) |
| Idar-Oberstein to Usmate Velate | 296.15 mi (476.61 km) |
