| Mason City to Florence (Kentucky) | 529.72 mi (852.50 km) |
| Mason City to Florence (South Carolina) | 950.53 mi (1,529.73 km) |
| Mason City to Florence-Graham (California) | 1,486.79 mi (2,392.76 km) |
| Mason City to Florham Park (New Jersey) | 977.74 mi (1,573.52 km) |
| Mason City to Florida (Puerto Rico) | 2,310.99 mi (3,719.18 km) |
| Mason City to Florida City (Florida) | 1,419.18 mi (2,283.95 km) |
| Mason City to Florida Ridge (Florida) | 1,292.12 mi (2,079.47 km) |
| Mason City to Florin (California) | 1,502.07 mi (2,417.34 km) |
| Mason City to Florissant (Missouri) | 335.73 mi (540.31 km) |
| Mason City to Flower Hill (Maryland) | 875.80 mi (1,409.47 km) |
| Mason City to Flower Mound (Texas) | 730.31 mi (1,175.32 km) |
| Mason City to Flowing Wells (Arizona) | 1,224.45 mi (1,970.56 km) |
| Mason City to Foley (Alabama) | 932.13 mi (1,500.12 km) |
| Mason City to Folsom (California) | 1,484.28 mi (2,388.72 km) |
| Mason City to Fond du Lac (Wisconsin) | 242.54 mi (390.32 km) |
