| Difficult Run to Trezzo sull'Adda | 4,243.20 mi (6,828.77 km) |
| Difficult Run to Tricase | 4,829.50 mi (7,772.32 km) |
| Difficult Run to Trieste | 4,421.60 mi (7,115.88 km) |
| Difficult Run to Triggiano | 4,722.58 mi (7,600.26 km) |
| Difficult Run to Trinitapoli | 4,676.33 mi (7,525.83 km) |
| Difficult Run to Trissino | 4,323.22 mi (6,957.56 km) |
| Difficult Run to Triuggio | 4,230.50 mi (6,808.34 km) |
| Difficult Run to Trofarello | 4,186.03 mi (6,736.77 km) |
| Difficult Run to Troina | 4,744.15 mi (7,634.97 km) |
| Difficult Run to Turin | 4,180.53 mi (6,727.92 km) |
| Difficult Run to Udine | 4,384.88 mi (7,056.79 km) |
| Difficult Run to Ugento | 4,820.75 mi (7,758.25 km) |
| Difficult Run to Umbertide | 4,441.89 mi (7,148.54 km) |
| Difficult Run to Urbino | 4,440.25 mi (7,145.89 km) |
| Difficult Run to Urgnano | 4,251.06 mi (6,841.41 km) |
