| Rio Grande City to Hazelwood (Missouri) | 987.02 mi (1,588.45 km) |
| Rio Grande City to Hazleton (Pennsylvania) | 1,646.49 mi (2,649.77 km) |
| Rio Grande City to Healdsburg (California) | 1,628.90 mi (2,621.46 km) |
| Rio Grande City to Heath (Ohio) | 1,331.86 mi (2,143.41 km) |
| Rio Grande City to Heber (Utah) | 1,213.09 mi (1,952.29 km) |
| Rio Grande City to Helena (Alabama) | 859.16 mi (1,382.68 km) |
| Rio Grande City to Helena (Montana) | 1,572.52 mi (2,530.73 km) |
| Rio Grande City to Hemet (California) | 1,197.40 mi (1,927.03 km) |
| Rio Grande City to Henderson (Kentucky) | 1,027.68 mi (1,653.90 km) |
| Rio Grande City to Henderson (Nevada) | 1,164.18 mi (1,873.57 km) |
| Rio Grande City to Henderson (North Carolina) | 1,382.02 mi (2,224.15 km) |
| Rio Grande City to Henderson (Texas) | 466.99 mi (751.54 km) |
| Rio Grande City to Hendersonville (North Carolina) | 1,148.20 mi (1,847.85 km) |
| Rio Grande City to Hendersonville (Tennessee) | 993.56 mi (1,598.98 km) |
| Rio Grande City to Hercules (California) | 1,581.49 mi (2,545.17 km) |
