| San Marcos to Home Gardens (California) | 54.91 mi (88.37 km) |
| San Marcos to Homer Glen (Illinois) | 1,698.20 mi (2,732.99 km) |
| San Marcos to Homestead (Florida) | 2,263.23 mi (3,642.32 km) |
| San Marcos to Homewood (Alabama) | 1,747.43 mi (2,812.21 km) |
| San Marcos to Homewood (Illinois) | 1,712.31 mi (2,755.69 km) |
| San Marcos to Homosassa Springs (Florida) | 2,064.03 mi (3,321.74 km) |
| San Marcos to Honeygo (Maryland) | 2,290.86 mi (3,686.78 km) |
| San Marcos to Honolulu (Hawaii) | 2,609.91 mi (4,200.24 km) |
| San Marcos to Hoover (Alabama) | 1,748.36 mi (2,813.71 km) |
| San Marcos to Hopatcong (New Jersey) | 2,381.53 mi (3,832.71 km) |
| San Marcos to Hope Mills (North Carolina) | 2,177.99 mi (3,505.13 km) |
| San Marcos to Hopewell (Virginia) | 2,252.55 mi (3,625.13 km) |
| San Marcos to Hopkins (Minnesota) | 1,504.90 mi (2,421.90 km) |
| San Marcos to Hopkinsville (Kentucky) | 1,693.47 mi (2,725.38 km) |
| San Marcos to Horizon City (Texas) | 648.25 mi (1,043.25 km) |
