| Conroe to Hilliard (Ohio) | 964.97 mi (1,552.96 km) |
| Conroe to Hillsboro (Oregon) | 1,813.46 mi (2,918.48 km) |
| Conroe to Hillsborough (California) | 1,613.05 mi (2,595.96 km) |
| Conroe to Hillsborough (New Jersey) | 1,362.54 mi (2,192.80 km) |
| Conroe to Hilo (Hawaii) | 3,762.61 mi (6,055.33 km) |
| Conroe to Hilton Head Island (South Carolina) | 878.94 mi (1,414.52 km) |
| Conroe to Hinesville (Georgia) | 826.67 mi (1,330.40 km) |
| Conroe to Hinsdale (Illinois) | 897.35 mi (1,444.15 km) |
| Conroe to Hobart (Indiana) | 898.30 mi (1,445.68 km) |
| Conroe to Hobbs (New Mexico) | 481.57 mi (775.01 km) |
| Conroe to Hobe Sound (Florida) | 955.58 mi (1,537.86 km) |
| Conroe to Hoboken (New Jersey) | 1,399.15 mi (2,251.72 km) |
| Conroe to Hockessin (Delaware) | 1,292.40 mi (2,079.91 km) |
| Conroe to Hoffman Estates (Illinois) | 907.58 mi (1,460.60 km) |
| Conroe to Holbrook (New York) | 1,446.47 mi (2,327.86 km) |
