| Castalla to Fern Down | 845.98 mi (1,361.48 km) |
| Castalla to Ferryhill | 1,112.70 mi (1,790.72 km) |
| Castalla to Finchley | 898.68 mi (1,446.28 km) |
| Castalla to Fleet | 876.61 mi (1,410.76 km) |
| Castalla to Fleetwood | 1,064.61 mi (1,713.33 km) |
| Castalla to Flint | 1,019.07 mi (1,640.04 km) |
| Castalla to Flitwick | 926.38 mi (1,490.86 km) |
| Castalla to Flixton | 1,029.29 mi (1,656.48 km) |
| Castalla to Folkestone | 867.19 mi (1,395.61 km) |
| Castalla to Forfar | 1,251.07 mi (2,013.40 km) |
| Castalla to Formby | 1,039.97 mi (1,673.67 km) |
| Castalla to Forres | 1,320.28 mi (2,124.78 km) |
| Castalla to Fort William | 1,275.20 mi (2,052.24 km) |
| Castalla to Fraserburgh | 1,320.80 mi (2,125.62 km) |
| Castalla to Friern Barnet | 899.65 mi (1,447.85 km) |
