| Radford to Fortuna (California) | 2,333.28 mi (3,755.05 km) |
| Radford to Fortuna Foothills (Arizona) | 1,931.94 mi (3,109.16 km) |
| Radford to Foster City (California) | 2,272.10 mi (3,656.58 km) |
| Radford to Fostoria (Ohio) | 318.05 mi (511.85 km) |
| Radford to Fountain (Colorado) | 1,315.79 mi (2,117.56 km) |
| Radford to Fountain Hills (Arizona) | 1,765.57 mi (2,841.41 km) |
| Radford to Fountain Inn (South Carolina) | 191.02 mi (307.41 km) |
| Radford to Fountain Valley (California) | 2,105.08 mi (3,387.80 km) |
| Radford to Fountainebleau (Florida) | 784.35 mi (1,262.29 km) |
| Radford to Four Corners (Oregon) | 2,248.46 mi (3,618.55 km) |
| Radford to Four Corners (Texas) | 1,010.01 mi (1,625.46 km) |
| Radford to Four Square Mile (Colorado) | 1,325.01 mi (2,132.40 km) |
| Radford to Fox Crossing (Wisconsin) | 641.85 mi (1,032.95 km) |
| Radford to Fox Lake (Illinois) | 545.60 mi (878.05 km) |
| Radford to Framingham (Massachusetts) | 602.26 mi (969.25 km) |
