| Llantwit Major to Felida (Washington) | 4,816.45 mi (7,751.33 km) |
| Llantwit Major to Fenton (Michigan) | 3,628.04 mi (5,838.77 km) |
| Llantwit Major to Fergus Falls (Minnesota) | 3,934.90 mi (6,332.61 km) |
| Llantwit Major to Ferguson (Missouri) | 4,071.18 mi (6,551.93 km) |
| Llantwit Major to Fernandina Beach (Florida) | 4,098.27 mi (6,595.53 km) |
| Llantwit Major to Ferndale (Maryland) | 3,500.21 mi (5,633.04 km) |
| Llantwit Major to Ferndale (Michigan) | 3,619.94 mi (5,825.73 km) |
| Llantwit Major to Ferndale (Washington) | 4,637.37 mi (7,463.13 km) |
| Llantwit Major to Fernley (Nevada) | 5,057.16 mi (8,138.71 km) |
| Llantwit Major to Ferry Pass (Florida) | 4,345.03 mi (6,992.65 km) |
| Llantwit Major to Festus (Missouri) | 4,100.86 mi (6,599.69 km) |
| Llantwit Major to Fife (Washington) | 4,721.29 mi (7,598.18 km) |
| Llantwit Major to Fillmore (California) | 5,338.51 mi (8,591.50 km) |
| Llantwit Major to Findlay (Ohio) | 3,702.38 mi (5,958.41 km) |
| Llantwit Major to Finneytown (Ohio) | 3,820.13 mi (6,147.91 km) |
