| Cwmbran to Fortuna Foothills (Arizona) | 5,287.98 mi (8,510.18 km) |
| Cwmbran to Foster City (California) | 5,268.13 mi (8,478.24 km) |
| Cwmbran to Fostoria (Ohio) | 3,699.82 mi (5,954.29 km) |
| Cwmbran to Fountain (Colorado) | 4,622.30 mi (7,438.87 km) |
| Cwmbran to Fountain Hills (Arizona) | 5,143.24 mi (8,277.25 km) |
| Cwmbran to Fountain Inn (South Carolina) | 3,949.75 mi (6,356.51 km) |
| Cwmbran to Fountain Valley (California) | 5,349.53 mi (8,609.24 km) |
| Cwmbran to Fountainebleau (Florida) | 4,310.12 mi (6,936.46 km) |
| Cwmbran to Four Corners (Oregon) | 4,867.89 mi (7,834.11 km) |
| Cwmbran to Four Corners (Texas) | 4,746.06 mi (7,638.04 km) |
| Cwmbran to Four Square Mile (Colorado) | 4,578.19 mi (7,367.88 km) |
| Cwmbran to Fox Crossing (Wisconsin) | 3,758.21 mi (6,048.26 km) |
| Cwmbran to Fox Lake (Illinois) | 3,828.51 mi (6,161.39 km) |
| Cwmbran to Framingham (Massachusetts) | 3,167.07 mi (5,096.91 km) |
| Cwmbran to Franconia (Virginia) | 3,554.31 mi (5,720.12 km) |
