| San Marcos to Alderwood Manor (Washington) | 1,048.38 mi (1,687.21 km) |
| San Marcos to Aldine (Texas) | 1,300.42 mi (2,092.82 km) |
| San Marcos to Alexander City (Alabama) | 1,802.83 mi (2,901.38 km) |
| San Marcos to Alexandria (Louisiana) | 1,446.40 mi (2,327.75 km) |
| San Marcos to Alexandria (Minnesota) | 1,449.77 mi (2,333.17 km) |
| San Marcos to Alexandria (Virginia) | 2,257.25 mi (3,632.70 km) |
| San Marcos to Algonquin (Illinois) | 1,687.35 mi (2,715.52 km) |
| San Marcos to Alhambra (California) | 85.78 mi (138.05 km) |
| San Marcos to Alice (Texas) | 1,195.29 mi (1,923.63 km) |
| San Marcos to Aliso Viejo (California) | 44.34 mi (71.36 km) |
| San Marcos to Allen (Texas) | 1,184.40 mi (1,906.11 km) |
| San Marcos to Allen Park (Michigan) | 1,945.85 mi (3,131.54 km) |
| San Marcos to Allendale (Michigan) | 1,816.81 mi (2,923.88 km) |
| San Marcos to Allentown (Pennsylvania) | 2,339.19 mi (3,764.56 km) |
| San Marcos to Alliance (Ohio) | 2,044.45 mi (3,290.22 km) |
