| Boulder to Trezzo sull'Adda | 5,278.91 mi (8,495.59 km) |
| Boulder to Tricase | 5,870.73 mi (9,448.03 km) |
| Boulder to Trieste | 5,420.53 mi (8,723.50 km) |
| Boulder to Triggiano | 5,761.74 mi (9,272.62 km) |
| Boulder to Trinitapoli | 5,719.12 mi (9,204.03 km) |
| Boulder to Trissino | 5,344.23 mi (8,600.71 km) |
| Boulder to Triuggio | 5,267.36 mi (8,476.99 km) |
| Boulder to Trofarello | 5,246.24 mi (8,443.00 km) |
| Boulder to Troina | 5,850.61 mi (9,415.65 km) |
| Boulder to Turin | 5,239.66 mi (8,432.41 km) |
| Boulder to Udine | 5,381.87 mi (8,661.29 km) |
| Boulder to Ugento | 5,863.94 mi (9,437.10 km) |
| Boulder to Umbertide | 5,489.88 mi (8,835.11 km) |
| Boulder to Urbino | 5,479.11 mi (8,817.77 km) |
| Boulder to Urgnano | 5,285.52 mi (8,506.23 km) |
