| San Marcos to South Fulton (Georgia) | 1,872.98 mi (3,014.27 km) |
| San Marcos to South Gate (California) | 81.05 mi (130.43 km) |
| San Marcos to South Hill (Washington) | 1,002.70 mi (1,613.68 km) |
| San Marcos to South Holland (Illinois) | 1,715.77 mi (2,761.27 km) |
| San Marcos to South Houston (Texas) | 1,313.79 mi (2,114.35 km) |
| San Marcos to South Huntington (New York) | 2,447.91 mi (3,939.54 km) |
| San Marcos to South Jordan (Utah) | 587.52 mi (945.52 km) |
| San Marcos to South Lake Tahoe (California) | 430.58 mi (692.95 km) |
| San Marcos to South Laurel (Maryland) | 2,269.45 mi (3,652.33 km) |
| San Marcos to South Lyon (Michigan) | 1,925.45 mi (3,098.71 km) |
| San Marcos to South Miami (Florida) | 2,265.74 mi (3,646.36 km) |
| San Marcos to South Miami Heights (Florida) | 2,263.57 mi (3,642.86 km) |
| San Marcos to South Milwaukee (Wisconsin) | 1,721.26 mi (2,770.10 km) |
| San Marcos to South Ogden (Utah) | 624.91 mi (1,005.70 km) |
| San Marcos to South Pasadena (California) | 87.97 mi (141.58 km) |
