| San Marcos to Havelock (North Carolina) | 2,294.14 mi (3,692.06 km) |
| San Marcos to Haverhill (Massachusetts) | 2,563.75 mi (4,125.95 km) |
| San Marcos to Havre de Grace (Maryland) | 2,307.22 mi (3,713.11 km) |
| San Marcos to Hawaiian Gardens (California) | 70.64 mi (113.68 km) |
| San Marcos to Hawaiian Paradise Park (Hawaii) | 2,503.32 mi (4,028.71 km) |
| San Marcos to Hawthorne (California) | 86.42 mi (139.09 km) |
| San Marcos to Hawthorne (New Jersey) | 2,407.67 mi (3,874.77 km) |
| San Marcos to Hayden (Idaho) | 1,011.23 mi (1,627.41 km) |
| San Marcos to Hayesville (Oregon) | 874.91 mi (1,408.04 km) |
| San Marcos to Hays (Kansas) | 1,071.59 mi (1,724.55 km) |
| San Marcos to Haysville (Kansas) | 1,155.73 mi (1,859.97 km) |
| San Marcos to Hayward (California) | 415.60 mi (668.84 km) |
| San Marcos to Hazel Crest (Illinois) | 1,711.01 mi (2,753.61 km) |
| San Marcos to Hazel Dell (Washington) | 914.23 mi (1,471.31 km) |
| San Marcos to Hazel Park (Michigan) | 1,953.45 mi (3,143.78 km) |
