| Kardzhali to Fern Down | 1,437.62 mi (2,313.63 km) |
| Kardzhali to Ferryhill | 1,517.51 mi (2,442.20 km) |
| Kardzhali to Finchley | 1,383.40 mi (2,226.37 km) |
| Kardzhali to Fleet | 1,403.19 mi (2,258.21 km) |
| Kardzhali to Fleetwood | 1,550.56 mi (2,495.39 km) |
| Kardzhali to Flint | 1,538.88 mi (2,476.59 km) |
| Kardzhali to Flitwick | 1,405.40 mi (2,261.78 km) |
| Kardzhali to Flixton | 1,514.93 mi (2,438.05 km) |
| Kardzhali to Folkestone | 1,316.29 mi (2,118.37 km) |
| Kardzhali to Forfar | 1,624.30 mi (2,614.06 km) |
| Kardzhali to Formby | 1,543.62 mi (2,484.21 km) |
| Kardzhali to Forres | 1,679.77 mi (2,703.33 km) |
| Kardzhali to Fort William | 1,705.05 mi (2,744.02 km) |
| Kardzhali to Fraserburgh | 1,630.79 mi (2,624.50 km) |
| Kardzhali to Friern Barnet | 1,382.56 mi (2,225.02 km) |
