| Echelon to Frederick (Maryland) | 131.82 mi (212.14 km) |
| Echelon to Fredericksburg (Texas) | 1,497.68 mi (2,410.28 km) |
| Echelon to Fredericksburg (Virginia) | 171.20 mi (275.53 km) |
| Echelon to Frederickson (Washington) | 2,389.07 mi (3,844.84 km) |
| Echelon to Freeport (Illinois) | 779.92 mi (1,255.16 km) |
| Echelon to Freeport (New York) | 92.81 mi (149.37 km) |
| Echelon to Freeport (Texas) | 1,378.79 mi (2,218.95 km) |
| Echelon to Fremont (California) | 2,509.99 mi (4,039.43 km) |
| Echelon to Fremont (Nebraska) | 1,129.15 mi (1,817.19 km) |
| Echelon to Fremont (Ohio) | 438.25 mi (705.30 km) |
| Echelon to French Valley (California) | 2,349.60 mi (3,781.32 km) |
| Echelon to Fresno (California) | 2,412.41 mi (3,882.40 km) |
| Echelon to Fresno (Texas) | 1,359.02 mi (2,187.13 km) |
| Echelon to Fridley (Minnesota) | 995.96 mi (1,602.84 km) |
| Echelon to Friendly (Maryland) | 129.33 mi (208.14 km) |
