| Pontneddfechan to Fortuna Foothills (Arizona) | 5,264.20 mi (8,471.91 km) |
| Pontneddfechan to Foster City (California) | 5,245.84 mi (8,442.37 km) |
| Pontneddfechan to Fostoria (Ohio) | 3,674.69 mi (5,913.84 km) |
| Pontneddfechan to Fountain (Colorado) | 4,598.17 mi (7,400.04 km) |
| Pontneddfechan to Fountain Hills (Arizona) | 5,119.28 mi (8,238.68 km) |
| Pontneddfechan to Fountain Inn (South Carolina) | 3,924.47 mi (6,315.83 km) |
| Pontneddfechan to Fountain Valley (California) | 5,326.25 mi (8,571.77 km) |
| Pontneddfechan to Fountainebleau (Florida) | 4,285.15 mi (6,896.28 km) |
| Pontneddfechan to Four Corners (Oregon) | 4,846.67 mi (7,799.97 km) |
| Pontneddfechan to Four Corners (Texas) | 4,720.87 mi (7,597.50 km) |
| Pontneddfechan to Four Square Mile (Colorado) | 4,554.17 mi (7,329.23 km) |
| Pontneddfechan to Fox Crossing (Wisconsin) | 3,733.49 mi (6,008.48 km) |
| Pontneddfechan to Fox Lake (Illinois) | 3,803.63 mi (6,121.36 km) |
| Pontneddfechan to Framingham (Massachusetts) | 3,141.79 mi (5,056.23 km) |
| Pontneddfechan to Franconia (Virginia) | 3,529.03 mi (5,679.43 km) |
