| Llantwit Major to Fortuna Foothills (Arizona) | 5,282.28 mi (8,501.01 km) |
| Llantwit Major to Foster City (California) | 5,266.15 mi (8,475.05 km) |
| Llantwit Major to Fostoria (Ohio) | 3,688.36 mi (5,935.84 km) |
| Llantwit Major to Fountain (Colorado) | 4,615.52 mi (7,427.97 km) |
| Llantwit Major to Fountain Hills (Arizona) | 5,137.00 mi (8,267.20 km) |
| Llantwit Major to Fountain Inn (South Carolina) | 3,935.68 mi (6,333.86 km) |
| Llantwit Major to Fountain Valley (California) | 5,345.21 mi (8,602.29 km) |
| Llantwit Major to Fountainebleau (Florida) | 4,292.94 mi (6,908.82 km) |
| Llantwit Major to Four Corners (Oregon) | 4,868.08 mi (7,834.41 km) |
| Llantwit Major to Four Corners (Texas) | 4,734.03 mi (7,618.68 km) |
| Llantwit Major to Four Square Mile (Colorado) | 4,571.78 mi (7,357.57 km) |
| Llantwit Major to Fox Crossing (Wisconsin) | 3,749.19 mi (6,033.73 km) |
| Llantwit Major to Fox Lake (Illinois) | 3,818.71 mi (6,145.62 km) |
| Llantwit Major to Framingham (Massachusetts) | 3,153.21 mi (5,074.61 km) |
| Llantwit Major to Franconia (Virginia) | 3,540.41 mi (5,697.73 km) |
