| San Marcos to Glenvar Heights (Florida) | 2,264.54 mi (3,644.42 km) |
| San Marcos to Glenview (Illinois) | 1,711.01 mi (2,753.61 km) |
| San Marcos to Gloucester (Massachusetts) | 2,584.09 mi (4,158.69 km) |
| San Marcos to Gloucester City (New Jersey) | 2,359.34 mi (3,796.98 km) |
| San Marcos to Gloucester Point (Virginia) | 2,296.13 mi (3,695.27 km) |
| San Marcos to Gloversville (New York) | 2,399.06 mi (3,860.91 km) |
| San Marcos to Godfrey (Illinois) | 1,552.51 mi (2,498.52 km) |
| San Marcos to Gold Canyon (Arizona) | 332.66 mi (535.36 km) |
| San Marcos to Golden (Colorado) | 805.35 mi (1,296.09 km) |
| San Marcos to Golden Gate (Florida) | 2,172.29 mi (3,495.97 km) |
| San Marcos to Golden Glades (Florida) | 2,265.92 mi (3,646.64 km) |
| San Marcos to Golden Valley (Minnesota) | 1,508.81 mi (2,428.19 km) |
| San Marcos to Goldenrod (Florida) | 2,140.33 mi (3,444.52 km) |
| San Marcos to Goldsboro (North Carolina) | 2,229.54 mi (3,588.10 km) |
| San Marcos to Goleta (California) | 178.47 mi (287.23 km) |
