| Didcot to Fortuna Foothills (Arizona) | 5,350.97 mi (8,611.56 km) |
| Didcot to Foster City (California) | 5,324.23 mi (8,568.52 km) |
| Didcot to Fostoria (Ohio) | 3,771.27 mi (6,069.27 km) |
| Didcot to Fountain (Colorado) | 4,687.15 mi (7,543.24 km) |
| Didcot to Fountain Hills (Arizona) | 5,207.17 mi (8,380.13 km) |
| Didcot to Fountain Inn (South Carolina) | 4,023.82 mi (6,475.72 km) |
| Didcot to Fountain Valley (California) | 5,410.09 mi (8,706.70 km) |
| Didcot to Fountainebleau (Florida) | 4,386.15 mi (7,058.83 km) |
| Didcot to Four Corners (Oregon) | 4,919.50 mi (7,917.17 km) |
| Didcot to Four Corners (Texas) | 4,818.09 mi (7,753.96 km) |
| Didcot to Four Square Mile (Colorado) | 4,642.44 mi (7,471.28 km) |
| Didcot to Fox Crossing (Wisconsin) | 3,826.53 mi (6,158.21 km) |
| Didcot to Fox Lake (Illinois) | 3,897.88 mi (6,273.03 km) |
| Didcot to Framingham (Massachusetts) | 3,240.99 mi (5,215.87 km) |
| Didcot to Franconia (Virginia) | 3,628.26 mi (5,839.12 km) |
