| Mason City to Fenton | 3,968.73 mi (6,387.05 km) |
| Mason City to Fern Down | 4,055.41 mi (6,526.55 km) |
| Mason City to Ferryhill | 3,932.16 mi (6,328.20 km) |
| Mason City to Finchley | 4,089.89 mi (6,582.04 km) |
| Mason City to Fleet | 4,077.31 mi (6,561.79 km) |
| Mason City to Fleetwood | 3,906.67 mi (6,287.17 km) |
| Mason City to Flint | 3,924.93 mi (6,316.56 km) |
| Mason City to Flitwick | 4,063.91 mi (6,540.23 km) |
| Mason City to Flixton | 3,944.90 mi (6,348.70 km) |
| Mason City to Folkestone | 4,158.37 mi (6,692.25 km) |
| Mason City to Forfar | 3,821.92 mi (6,150.79 km) |
| Mason City to Formby | 3,916.93 mi (6,303.69 km) |
| Mason City to Forres | 3,767.31 mi (6,062.89 km) |
| Mason City to Fort William | 3,741.41 mi (6,021.21 km) |
| Mason City to Fraserburgh | 3,817.90 mi (6,144.31 km) |
