| San Marcos to Harrison (Ohio) | 1,844.24 mi (2,968.01 km) |
| San Marcos to Harrison (Wisconsin) | 1,723.08 mi (2,773.03 km) |
| San Marcos to Harrisonburg (Virginia) | 2,161.95 mi (3,479.32 km) |
| San Marcos to Hartford (Connecticut) | 2,483.12 mi (3,996.19 km) |
| San Marcos to Hartford (Wisconsin) | 1,702.87 mi (2,740.51 km) |
| San Marcos to Hartselle (Alabama) | 1,732.11 mi (2,787.57 km) |
| San Marcos to Hartsville (Tennessee) | 1,767.27 mi (2,844.14 km) |
| San Marcos to Harvey (Illinois) | 1,713.36 mi (2,757.39 km) |
| San Marcos to Harvey (Louisiana) | 1,607.91 mi (2,587.68 km) |
| San Marcos to Hasbrouck Heights (New Jersey) | 2,412.21 mi (3,882.07 km) |
| San Marcos to Haslett (Michigan) | 1,890.94 mi (3,043.18 km) |
| San Marcos to Hastings (Minnesota) | 1,524.17 mi (2,452.91 km) |
| San Marcos to Hastings (Nebraska) | 1,156.00 mi (1,860.40 km) |
| San Marcos to Hattiesburg (Mississippi) | 1,628.45 mi (2,620.74 km) |
| San Marcos to Hauppauge (New York) | 2,457.39 mi (3,954.78 km) |
