| San Marcos to Town and Country (Missouri) | 1,535.92 mi (2,471.82 km) |
| San Marcos to Towson (Maryland) | 2,280.70 mi (3,670.44 km) |
| San Marcos to Tracy (California) | 398.22 mi (640.87 km) |
| San Marcos to Traverse City (Michigan) | 1,861.25 mi (2,995.39 km) |
| San Marcos to Travilah (Maryland) | 2,247.94 mi (3,617.71 km) |
| San Marcos to Trenton (Michigan) | 1,945.67 mi (3,131.25 km) |
| San Marcos to Trenton (New Jersey) | 2,377.21 mi (3,825.75 km) |
| San Marcos to Trenton (Ohio) | 1,862.41 mi (2,997.26 km) |
| San Marcos to Triangle (Virginia) | 2,245.57 mi (3,613.89 km) |
| San Marcos to Trinity (Florida) | 2,070.38 mi (3,331.96 km) |
| San Marcos to Trophy Club (Texas) | 1,155.39 mi (1,859.42 km) |
| San Marcos to Trotwood (Ohio) | 1,871.48 mi (3,011.85 km) |
| San Marcos to Troutdale (Oregon) | 900.67 mi (1,449.49 km) |
| San Marcos to Troy (Alabama) | 1,814.84 mi (2,920.70 km) |
| San Marcos to Troy (Illinois) | 1,567.78 mi (2,523.10 km) |
