| Sliven to Fern Down | 1,438.61 mi (2,315.21 km) |
| Sliven to Ferryhill | 1,502.95 mi (2,418.76 km) |
| Sliven to Finchley | 1,379.81 mi (2,220.60 km) |
| Sliven to Fleet | 1,401.46 mi (2,255.43 km) |
| Sliven to Fleetwood | 1,540.10 mi (2,478.55 km) |
| Sliven to Flint | 1,531.05 mi (2,463.98 km) |
| Sliven to Flitwick | 1,400.39 mi (2,253.71 km) |
| Sliven to Flixton | 1,505.76 mi (2,423.29 km) |
| Sliven to Folkestone | 1,313.75 mi (2,114.28 km) |
| Sliven to Forfar | 1,604.10 mi (2,581.55 km) |
| Sliven to Formby | 1,534.56 mi (2,469.63 km) |
| Sliven to Forres | 1,657.07 mi (2,666.80 km) |
| Sliven to Fort William | 1,686.12 mi (2,713.55 km) |
| Sliven to Fraserburgh | 1,606.34 mi (2,585.16 km) |
| Sliven to Friern Barnet | 1,378.89 mi (2,219.12 km) |
