| Conroe to Hazleton (Pennsylvania) | 1,314.00 mi (2,114.68 km) |
| Conroe to Healdsburg (California) | 1,654.13 mi (2,662.07 km) |
| Conroe to Heath (Ohio) | 993.81 mi (1,599.39 km) |
| Conroe to Heber (Utah) | 1,136.30 mi (1,828.70 km) |
| Conroe to Helena (Alabama) | 544.77 mi (876.73 km) |
| Conroe to Helena (Montana) | 1,430.69 mi (2,302.48 km) |
| Conroe to Hemet (California) | 1,279.60 mi (2,059.33 km) |
| Conroe to Henderson (Kentucky) | 688.03 mi (1,107.28 km) |
| Conroe to Henderson (Nevada) | 1,194.81 mi (1,922.87 km) |
| Conroe to Henderson (North Carolina) | 1,067.06 mi (1,717.27 km) |
| Conroe to Henderson (Texas) | 133.03 mi (214.09 km) |
| Conroe to Hendersonville (North Carolina) | 830.52 mi (1,336.59 km) |
| Conroe to Hendersonville (Tennessee) | 658.17 mi (1,059.23 km) |
| Conroe to Hercules (California) | 1,613.28 mi (2,596.32 km) |
| Conroe to Hereford (Texas) | 508.54 mi (818.41 km) |
