| San Marcos to Westland (Michigan) | 1,937.80 mi (3,118.60 km) |
| San Marcos to Westminster (California) | 63.65 mi (102.44 km) |
| San Marcos to Westminster (Colorado) | 817.23 mi (1,315.21 km) |
| San Marcos to Westminster (Maryland) | 2,259.66 mi (3,636.57 km) |
| San Marcos to Westmont (California) | 85.57 mi (137.72 km) |
| San Marcos to Westmont (Illinois) | 1,699.43 mi (2,734.96 km) |
| San Marcos to Westmont (New Jersey) | 2,362.58 mi (3,802.21 km) |
| San Marcos to Weston (Florida) | 2,249.38 mi (3,620.03 km) |
| San Marcos to Weston (Wisconsin) | 1,679.07 mi (2,702.20 km) |
| San Marcos to Westphalia (Maryland) | 2,270.98 mi (3,654.79 km) |
| San Marcos to Westview (Florida) | 2,264.37 mi (3,644.15 km) |
| San Marcos to Westwood (New Jersey) | 2,414.27 mi (3,885.40 km) |
| San Marcos to Westwood Lakes (Florida) | 2,260.91 mi (3,638.59 km) |
| San Marcos to Wheat Ridge (Colorado) | 811.47 mi (1,305.93 km) |
| San Marcos to Wheaton (Illinois) | 1,693.46 mi (2,725.36 km) |
