| Echelon to Fortuna Foothills (Arizona) | 2,231.88 mi (3,591.86 km) |
| Echelon to Foster City (California) | 2,523.97 mi (4,061.94 km) |
| Echelon to Fostoria (Ohio) | 451.16 mi (726.07 km) |
| Echelon to Fountain (Colorado) | 1,582.73 mi (2,547.16 km) |
| Echelon to Fountain Hills (Arizona) | 2,064.82 mi (3,323.01 km) |
| Echelon to Fountain Inn (South Carolina) | 532.10 mi (856.34 km) |
| Echelon to Fountain Valley (California) | 2,391.35 mi (3,848.50 km) |
| Echelon to Fountainebleau (Florida) | 1,020.43 mi (1,642.22 km) |
| Echelon to Four Corners (Oregon) | 2,437.30 mi (3,922.45 km) |
| Echelon to Four Corners (Texas) | 1,362.57 mi (2,192.84 km) |
| Echelon to Four Square Mile (Colorado) | 1,580.16 mi (2,543.03 km) |
| Echelon to Fox Crossing (Wisconsin) | 753.75 mi (1,213.05 km) |
| Echelon to Fox Lake (Illinois) | 708.19 mi (1,139.71 km) |
| Echelon to Framingham (Massachusetts) | 251.46 mi (404.69 km) |
| Echelon to Franconia (Virginia) | 137.62 mi (221.47 km) |
