| Mason City to Frederick (Colorado) | 642.47 mi (1,033.95 km) |
| Mason City to Frederick (Maryland) | 857.22 mi (1,379.56 km) |
| Mason City to Fredericksburg (Texas) | 943.39 mi (1,518.24 km) |
| Mason City to Fredericksburg (Virginia) | 886.61 mi (1,426.87 km) |
| Mason City to Frederickson (Washington) | 1,438.79 mi (2,315.51 km) |
| Mason City to Freeport (Illinois) | 190.45 mi (306.50 km) |
| Mason City to Freeport (New York) | 1,020.92 mi (1,643.02 km) |
| Mason City to Freeport (Texas) | 988.65 mi (1,591.09 km) |
| Mason City to Fremont (California) | 1,556.52 mi (2,504.97 km) |
| Mason City to Fremont (Nebraska) | 205.35 mi (330.47 km) |
| Mason City to Fremont (Ohio) | 530.12 mi (853.15 km) |
| Mason City to French Valley (California) | 1,446.24 mi (2,327.49 km) |
| Mason City to Fresno (California) | 1,468.18 mi (2,362.81 km) |
| Mason City to Fresno (Texas) | 948.91 mi (1,527.12 km) |
| Mason City to Fridley (Minnesota) | 133.76 mi (215.26 km) |
