| San Marcos to Maricopa (Arizona) | 299.51 mi (482.02 km) |
| San Marcos to Marietta (Georgia) | 1,872.06 mi (3,012.79 km) |
| San Marcos to Marietta (Ohio) | 2,023.02 mi (3,255.73 km) |
| San Marcos to Marina (California) | 358.24 mi (576.53 km) |
| San Marcos to Marinette (Wisconsin) | 1,772.14 mi (2,851.99 km) |
| San Marcos to Marion (Arkansas) | 1,543.57 mi (2,484.13 km) |
| San Marcos to Marion (Illinois) | 1,614.37 mi (2,598.08 km) |
| San Marcos to Marion (Indiana) | 1,805.42 mi (2,905.55 km) |
| San Marcos to Marion (Iowa) | 1,522.66 mi (2,450.49 km) |
| San Marcos to Marion (Ohio) | 1,938.32 mi (3,119.43 km) |
| San Marcos to Marion Oaks (Florida) | 2,080.10 mi (3,347.60 km) |
| San Marcos to Markham (Illinois) | 1,711.32 mi (2,754.10 km) |
| San Marcos to Marlborough (Massachusetts) | 2,540.76 mi (4,088.96 km) |
| San Marcos to Marlton (New Jersey) | 2,369.26 mi (3,812.95 km) |
| San Marcos to Marquette (Michigan) | 1,814.81 mi (2,920.66 km) |
