| San Marcos to Horizon West (Florida) | 2,125.20 mi (3,420.17 km) |
| San Marcos to Hormigueros (Puerto Rico) | 3,252.06 mi (5,233.68 km) |
| San Marcos to Horn Lake (Mississippi) | 1,553.22 mi (2,499.67 km) |
| San Marcos to Hot Springs (Arkansas) | 1,384.79 mi (2,228.60 km) |
| San Marcos to Hot Springs Village (Arkansas) | 1,389.11 mi (2,235.55 km) |
| San Marcos to Houma (Louisiana) | 1,576.57 mi (2,537.25 km) |
| San Marcos to Houston (Texas) | 1,302.19 mi (2,095.67 km) |
| San Marcos to Howard (Wisconsin) | 1,740.08 mi (2,800.39 km) |
| San Marcos to Huber Heights (Ohio) | 1,882.56 mi (3,029.68 km) |
| San Marcos to Hudson (Florida) | 2,064.75 mi (3,322.90 km) |
| San Marcos to Hudson (Ohio) | 2,029.28 mi (3,265.80 km) |
| San Marcos to Hudson (Wisconsin) | 1,536.07 mi (2,472.07 km) |
| San Marcos to Hueytown (Alabama) | 1,735.61 mi (2,793.20 km) |
| San Marcos to Hugo (Minnesota) | 1,531.66 mi (2,464.96 km) |
| San Marcos to Humacao (Puerto Rico) | 3,326.65 mi (5,353.72 km) |
