| Houston to Trezzo sull'Adda | 5,426.21 mi (8,732.65 km) |
| Houston to Tricase | 6,017.24 mi (9,683.82 km) |
| Houston to Trieste | 5,597.81 mi (9,008.81 km) |
| Houston to Triggiano | 5,909.33 mi (9,510.14 km) |
| Houston to Trinitapoli | 5,863.49 mi (9,436.38 km) |
| Houston to Trissino | 5,503.67 mi (8,857.31 km) |
| Houston to Triuggio | 5,413.67 mi (8,712.46 km) |
| Houston to Trofarello | 5,373.53 mi (8,647.87 km) |
| Houston to Troina | 5,941.51 mi (9,561.94 km) |
| Houston to Turin | 5,367.79 mi (8,638.63 km) |
| Houston to Udine | 5,560.35 mi (8,948.52 km) |
| Houston to Ugento | 6,008.81 mi (9,670.24 km) |
| Houston to Umbertide | 5,628.64 mi (9,058.42 km) |
| Houston to Urbino | 5,625.21 mi (9,052.90 km) |
| Houston to Urgnano | 5,433.87 mi (8,744.97 km) |
