| Mason City to Havelock (North Carolina) | 1,041.03 mi (1,675.38 km) |
| Mason City to Haverhill (Massachusetts) | 1,115.03 mi (1,794.47 km) |
| Mason City to Havre de Grace (Maryland) | 918.59 mi (1,478.33 km) |
| Mason City to Hawaiian Gardens (California) | 1,483.67 mi (2,387.74 km) |
| Mason City to Hawaiian Paradise Park (Hawaii) | 3,892.25 mi (6,263.97 km) |
| Mason City to Hawthorne (California) | 1,493.75 mi (2,403.96 km) |
| Mason City to Hawthorne (New Jersey) | 986.34 mi (1,587.37 km) |
| Mason City to Hayden (Idaho) | 1,182.43 mi (1,902.94 km) |
| Mason City to Hayesville (Oregon) | 1,475.27 mi (2,374.22 km) |
| Mason City to Hays (Kansas) | 434.26 mi (698.88 km) |
| Mason City to Haysville (Kansas) | 443.32 mi (713.45 km) |
| Mason City to Hayward (California) | 1,558.24 mi (2,507.74 km) |
| Mason City to Hazel Crest (Illinois) | 301.55 mi (485.30 km) |
| Mason City to Hazel Dell (Washington) | 1,455.88 mi (2,343.01 km) |
| Mason City to Hazel Park (Michigan) | 513.96 mi (827.14 km) |
