| Mason City to Horizon West (Florida) | 1,203.19 mi (1,936.35 km) |
| Mason City to Hormigueros (Puerto Rico) | 2,301.72 mi (3,704.26 km) |
| Mason City to Horn Lake (Mississippi) | 590.94 mi (951.03 km) |
| Mason City to Hot Springs (Arkansas) | 598.37 mi (962.98 km) |
| Mason City to Hot Springs Village (Arkansas) | 586.88 mi (944.50 km) |
| Mason City to Houma (Louisiana) | 947.59 mi (1,525.00 km) |
| Mason City to Houston (Texas) | 931.15 mi (1,498.55 km) |
| Mason City to Howard (Wisconsin) | 272.66 mi (438.81 km) |
| Mason City to Huber Heights (Ohio) | 521.84 mi (839.82 km) |
| Mason City to Hudson (Florida) | 1,177.36 mi (1,894.77 km) |
| Mason City to Hudson (Ohio) | 615.65 mi (990.79 km) |
| Mason City to Hudson (Wisconsin) | 127.56 mi (205.28 km) |
| Mason City to Hueytown (Alabama) | 750.27 mi (1,207.44 km) |
| Mason City to Hugo (Minnesota) | 139.97 mi (225.26 km) |
| Mason City to Humacao (Puerto Rico) | 2,351.75 mi (3,784.78 km) |
