| Mountain Ash to Fenton | 104.54 mi (168.25 km) |
| Mountain Ash to Fern Down | 87.85 mi (141.38 km) |
| Mountain Ash to Ferryhill | 221.22 mi (356.02 km) |
| Mountain Ash to Finchley | 136.99 mi (220.46 km) |
| Mountain Ash to Fleet | 112.42 mi (180.93 km) |
| Mountain Ash to Fleetwood | 155.57 mi (250.36 km) |
| Mountain Ash to Flint | 108.74 mi (175.00 km) |
| Mountain Ash to Flitwick | 125.04 mi (201.24 km) |
| Mountain Ash to Flixton | 128.85 mi (207.37 km) |
| Mountain Ash to Folkestone | 200.31 mi (322.37 km) |
| Mountain Ash to Forfar | 343.47 mi (552.76 km) |
| Mountain Ash to Formby | 130.36 mi (209.80 km) |
| Mountain Ash to Forres | 409.60 mi (659.19 km) |
| Mountain Ash to Fort William | 361.77 mi (582.21 km) |
| Mountain Ash to Fraserburgh | 418.95 mi (674.23 km) |
