| Houston to Troy (Michigan) | 1,114.49 mi (1,793.60 km) |
| Houston to Troy (Missouri) | 682.52 mi (1,098.41 km) |
| Houston to Troy (New York) | 1,497.12 mi (2,409.39 km) |
| Houston to Troy (Ohio) | 948.55 mi (1,526.55 km) |
| Houston to Truckee (California) | 1,550.92 mi (2,495.96 km) |
| Houston to Trujillo Alto (Puerto Rico) | 2,006.74 mi (3,229.54 km) |
| Houston to Trumbull Center (Connecticut) | 1,471.79 mi (2,368.62 km) |
| Houston to Trussville (Alabama) | 581.83 mi (936.36 km) |
| Houston to Tualatin (Oregon) | 1,831.46 mi (2,947.45 km) |
| Houston to Tuckahoe (Virginia) | 1,154.01 mi (1,857.20 km) |
| Houston to Tucker (Georgia) | 713.56 mi (1,148.36 km) |
| Houston to Tucson (Arizona) | 931.29 mi (1,498.77 km) |
| Houston to Tucson Estates (Arizona) | 945.89 mi (1,522.27 km) |
| Houston to Tucson Mountains (Arizona) | 943.79 mi (1,518.89 km) |
| Houston to Tukwila (Washington) | 1,880.18 mi (3,025.85 km) |
