| Mason City to Federal Way (Washington) | 1,437.76 mi (2,313.86 km) |
| Mason City to Felida (Washington) | 1,458.37 mi (2,347.03 km) |
| Mason City to Fenton (Michigan) | 479.86 mi (772.26 km) |
| Mason City to Fergus Falls (Minnesota) | 258.63 mi (416.22 km) |
| Mason City to Ferguson (Missouri) | 339.63 mi (546.58 km) |
| Mason City to Fernandina Beach (Florida) | 1,077.61 mi (1,734.24 km) |
| Mason City to Ferndale (Maryland) | 902.32 mi (1,452.14 km) |
| Mason City to Ferndale (Michigan) | 512.30 mi (824.46 km) |
| Mason City to Ferndale (Washington) | 1,454.43 mi (2,340.68 km) |
| Mason City to Fernley (Nevada) | 1,364.81 mi (2,196.45 km) |
| Mason City to Ferry Pass (Florida) | 933.01 mi (1,501.54 km) |
| Mason City to Festus (Missouri) | 370.57 mi (596.37 km) |
| Mason City to Fife (Washington) | 1,438.45 mi (2,314.97 km) |
| Mason City to Fillmore (California) | 1,503.63 mi (2,419.85 km) |
| Mason City to Findlay (Ohio) | 510.93 mi (822.26 km) |
