| South Portland to Fenton | 3,074.33 mi (4,947.66 km) |
| South Portland to Fern Down | 3,130.78 mi (5,038.50 km) |
| South Portland to Ferryhill | 3,066.04 mi (4,934.31 km) |
| South Portland to Finchley | 3,183.21 mi (5,122.88 km) |
| South Portland to Fleet | 3,163.51 mi (5,091.18 km) |
| South Portland to Fleetwood | 3,023.09 mi (4,865.19 km) |
| South Portland to Flint | 3,030.57 mi (4,877.23 km) |
| South Portland to Flitwick | 3,161.67 mi (5,088.21 km) |
| South Portland to Flixton | 3,056.37 mi (4,918.75 km) |
| South Portland to Folkestone | 3,250.26 mi (5,230.78 km) |
| South Portland to Forfar | 2,983.04 mi (4,800.74 km) |
| South Portland to Formby | 3,027.55 mi (4,872.38 km) |
| South Portland to Forres | 2,942.73 mi (4,735.86 km) |
| South Portland to Fort William | 2,898.29 mi (4,664.35 km) |
| South Portland to Fraserburgh | 3,000.09 mi (4,828.18 km) |
