| San Marcos to Denver (Colorado) | 821.50 mi (1,322.07 km) |
| San Marcos to Portland (Oregon) | 904.91 mi (1,456.32 km) |
| San Marcos to Seattle (Washington) | 1,036.34 mi (1,667.83 km) |
| San Marcos to Dallas (Texas) | 1,181.39 mi (1,901.27 km) |
| San Marcos to Los Angeles (California) | 98.00 mi (157.72 km) |
| San Marcos to Houston (Texas) | 1,302.19 mi (2,095.67 km) |
| San Marcos to Minneapolis (Minnesota) | 1,512.11 mi (2,433.50 km) |
| San Marcos to St. Louis (Missouri) | 1,548.50 mi (2,492.07 km) |
| San Marcos to Chicago (Illinois) | 1,714.53 mi (2,759.26 km) |
| San Marcos to Atlanta (Georgia) | 1,880.66 mi (3,026.64 km) |
| San Marcos to Detroit (Michigan) | 1,952.48 mi (3,142.21 km) |
| San Marcos to Tampa (Florida) | 2,086.79 mi (3,358.36 km) |
| San Marcos to Washington (District of Columbia) | 2,260.74 mi (3,638.31 km) |
| San Marcos to Miami (Florida) | 2,268.70 mi (3,651.12 km) |
| San Marcos to Baltimore (Maryland) | 2,281.17 mi (3,671.18 km) |
| San Marcos to Philadelphia (Pennsylvania) | 2,358.17 mi (3,795.11 km) |
| San Marcos to Brooklyn (New York) | 2,419.11 mi (3,893.18 km) |
| San Marcos to New York (New York) | 2,420.31 mi (3,895.12 km) |
| San Marcos to Queens (New York) | 2,426.86 mi (3,905.66 km) |
| San Marcos to San Diego (California) | 21.20 mi (34.12 km) |
| San Marcos to Las Vegas (Nevada) | 239.96 mi (386.18 km) |
| San Marcos to Boston (Massachusetts) | 2,564.37 mi (4,126.96 km) |
| San Marcos to Riverside (California) | 56.92 mi (91.61 km) |
| San Marcos to Phoenix (Arizona) | 295.00 mi (474.75 km) |
| San Marcos to San Francisco (California) | 435.67 mi (701.14 km) |
