| San Marcos to Hereford (Texas) | 853.68 mi (1,373.87 km) |
| San Marcos to Hermiston (Oregon) | 884.42 mi (1,423.34 km) |
| San Marcos to Hermitage (Pennsylvania) | 2,081.04 mi (3,349.11 km) |
| San Marcos to Hermosa Beach (California) | 86.61 mi (139.39 km) |
| San Marcos to Hernando (Mississippi) | 1,556.91 mi (2,505.60 km) |
| San Marcos to Herndon (Virginia) | 2,240.67 mi (3,606.01 km) |
| San Marcos to Herriman (Utah) | 582.50 mi (937.44 km) |
| San Marcos to Herrin (Illinois) | 1,609.77 mi (2,590.67 km) |
| San Marcos to Hershey (Pennsylvania) | 2,277.92 mi (3,665.96 km) |
| San Marcos to Hesperia (California) | 87.60 mi (140.98 km) |
| San Marcos to Hewitt (Texas) | 1,170.85 mi (1,884.30 km) |
| San Marcos to Hialeah (Florida) | 2,261.06 mi (3,638.82 km) |
| San Marcos to Hialeah Gardens (Florida) | 2,257.57 mi (3,633.20 km) |
| San Marcos to Hibbing (Minnesota) | 1,601.73 mi (2,577.74 km) |
| San Marcos to Hickory (North Carolina) | 2,039.59 mi (3,282.40 km) |
