| San Marcos to Troy (Michigan) | 1,952.19 mi (3,141.74 km) |
| San Marcos to Troy (Missouri) | 1,512.32 mi (2,433.84 km) |
| San Marcos to Troy (New York) | 2,432.46 mi (3,914.66 km) |
| San Marcos to Troy (Ohio) | 1,877.86 mi (3,022.13 km) |
| San Marcos to Truckee (California) | 460.65 mi (741.35 km) |
| San Marcos to Trujillo Alto (Puerto Rico) | 3,308.88 mi (5,325.13 km) |
| San Marcos to Trumbull Center (Connecticut) | 2,457.97 mi (3,955.73 km) |
| San Marcos to Trussville (Alabama) | 1,758.78 mi (2,830.48 km) |
| San Marcos to Tualatin (Oregon) | 896.77 mi (1,443.21 km) |
| San Marcos to Tuckahoe (Virginia) | 2,235.22 mi (3,597.24 km) |
| San Marcos to Tucker (Georgia) | 1,892.39 mi (3,045.50 km) |
| San Marcos to Tucson (Arizona) | 372.43 mi (599.36 km) |
| San Marcos to Tucson Estates (Arizona) | 357.89 mi (575.96 km) |
| San Marcos to Tucson Mountains (Arizona) | 359.27 mi (578.19 km) |
| San Marcos to Tukwila (Washington) | 1,025.98 mi (1,651.16 km) |
