| Conroe to Hormigueros (Puerto Rico) | 1,967.44 mi (3,166.29 km) |
| Conroe to Horn Lake (Mississippi) | 449.42 mi (723.27 km) |
| Conroe to Hot Springs (Arkansas) | 320.84 mi (516.35 km) |
| Conroe to Hot Springs Village (Arkansas) | 333.37 mi (536.50 km) |
| Conroe to Houma (Louisiana) | 290.50 mi (467.52 km) |
| Conroe to Houston (Texas) | 37.58 mi (60.48 km) |
| Conroe to Howard (Wisconsin) | 1,063.39 mi (1,711.36 km) |
| Conroe to Huber Heights (Ohio) | 918.92 mi (1,478.86 km) |
| Conroe to Hudson (Florida) | 781.93 mi (1,258.39 km) |
| Conroe to Hudson (Ohio) | 1,087.41 mi (1,750.01 km) |
| Conroe to Hudson (Wisconsin) | 1,022.50 mi (1,645.56 km) |
| Conroe to Hueytown (Alabama) | 540.42 mi (869.72 km) |
| Conroe to Hugo (Minnesota) | 1,034.65 mi (1,665.11 km) |
| Conroe to Humacao (Puerto Rico) | 2,040.81 mi (3,284.37 km) |
| Conroe to Humble (Texas) | 26.33 mi (42.37 km) |
