| Mason City to Friendly (Maryland) | 898.03 mi (1,445.24 km) |
| Mason City to Friendswood (Texas) | 948.74 mi (1,526.84 km) |
| Mason City to Frisco (Texas) | 717.73 mi (1,155.07 km) |
| Mason City to Front Royal (Virginia) | 833.73 mi (1,341.76 km) |
| Mason City to Fruit Cove (Florida) | 1,104.74 mi (1,777.90 km) |
| Mason City to Fruita (Colorado) | 852.29 mi (1,371.62 km) |
| Mason City to Fruitville (Florida) | 1,247.05 mi (2,006.93 km) |
| Mason City to Fuller Heights (Florida) | 1,223.54 mi (1,969.10 km) |
| Mason City to Fullerton (California) | 1,474.68 mi (2,373.27 km) |
| Mason City to Fullerton (Pennsylvania) | 925.85 mi (1,490.02 km) |
| Mason City to Fulshear (Texas) | 941.43 mi (1,515.08 km) |
| Mason City to Fulton (Missouri) | 303.71 mi (488.77 km) |
| Mason City to Fulton (New York) | 843.51 mi (1,357.49 km) |
| Mason City to Fuquay-Varina (North Carolina) | 928.37 mi (1,494.07 km) |
| Mason City to Gadsden (Alabama) | 740.53 mi (1,191.76 km) |
