| Darby to Fortuna Foothills (Arizona) | 2,217.85 mi (3,569.28 km) |
| Darby to Foster City (California) | 2,509.17 mi (4,038.12 km) |
| Darby to Fostoria (Ohio) | 436.29 mi (702.15 km) |
| Darby to Fountain (Colorado) | 1,568.18 mi (2,523.75 km) |
| Darby to Fountain Hills (Arizona) | 2,050.80 mi (3,300.44 km) |
| Darby to Fountain Inn (South Carolina) | 524.67 mi (844.37 km) |
| Darby to Fountain Valley (California) | 2,377.00 mi (3,825.41 km) |
| Darby to Fountainebleau (Florida) | 1,020.67 mi (1,642.61 km) |
| Darby to Four Corners (Oregon) | 2,422.41 mi (3,898.49 km) |
| Darby to Four Corners (Texas) | 1,351.94 mi (2,175.74 km) |
| Darby to Four Square Mile (Colorado) | 1,565.48 mi (2,519.39 km) |
| Darby to Fox Crossing (Wisconsin) | 738.97 mi (1,189.26 km) |
| Darby to Fox Lake (Illinois) | 693.25 mi (1,115.68 km) |
| Darby to Framingham (Massachusetts) | 258.48 mi (415.99 km) |
| Darby to Franconia (Virginia) | 128.94 mi (207.50 km) |
