| Keystone to Fenton | 4,305.29 mi (6,928.70 km) |
| Keystone to Fern Down | 4,346.23 mi (6,994.58 km) |
| Keystone to Ferryhill | 4,308.03 mi (6,933.11 km) |
| Keystone to Finchley | 4,406.74 mi (7,091.96 km) |
| Keystone to Fleet | 4,383.93 mi (7,055.25 km) |
| Keystone to Fleetwood | 4,259.30 mi (6,854.69 km) |
| Keystone to Flint | 4,262.28 mi (6,859.48 km) |
| Keystone to Flitwick | 4,387.65 mi (7,061.25 km) |
| Keystone to Flixton | 4,290.07 mi (6,904.21 km) |
| Keystone to Folkestone | 4,471.91 mi (7,196.85 km) |
| Keystone to Forfar | 4,234.50 mi (6,814.77 km) |
| Keystone to Formby | 4,261.38 mi (6,858.04 km) |
| Keystone to Forres | 4,198.26 mi (6,756.45 km) |
| Keystone to Fort William | 4,149.62 mi (6,678.17 km) |
| Keystone to Fraserburgh | 4,256.60 mi (6,850.33 km) |
