| Mason City to Hazelwood (Missouri) | 334.69 mi (538.63 km) |
| Mason City to Hazleton (Pennsylvania) | 895.16 mi (1,440.61 km) |
| Mason City to Healdsburg (California) | 1,572.18 mi (2,530.18 km) |
| Mason City to Heath (Ohio) | 595.87 mi (958.96 km) |
| Mason City to Heber (Utah) | 952.58 mi (1,533.02 km) |
| Mason City to Helena (Alabama) | 762.52 mi (1,227.16 km) |
| Mason City to Helena (Montana) | 949.29 mi (1,527.74 km) |
| Mason City to Hemet (California) | 1,435.81 mi (2,310.71 km) |
| Mason City to Henderson (Kentucky) | 470.66 mi (757.46 km) |
| Mason City to Henderson (Nevada) | 1,258.35 mi (2,025.12 km) |
| Mason City to Henderson (North Carolina) | 914.14 mi (1,471.17 km) |
| Mason City to Henderson (Texas) | 764.37 mi (1,230.14 km) |
| Mason City to Hendersonville (North Carolina) | 787.90 mi (1,268.00 km) |
| Mason City to Hendersonville (Tennessee) | 588.22 mi (946.65 km) |
| Mason City to Hercules (California) | 1,557.26 mi (2,506.17 km) |
