| Herndon to Frederick (Colorado) | 1,465.97 mi (2,359.24 km) |
| Herndon to Frederick (Maryland) | 32.08 mi (51.63 km) |
| Herndon to Fredericksburg (Texas) | 1,357.16 mi (2,184.14 km) |
| Herndon to Fredericksburg (Virginia) | 46.66 mi (75.09 km) |
| Herndon to Frederickson (Washington) | 2,305.86 mi (3,710.92 km) |
| Herndon to Freeport (Illinois) | 681.20 mi (1,096.29 km) |
| Herndon to Freeport (New York) | 232.80 mi (374.66 km) |
| Herndon to Freeport (Texas) | 1,237.58 mi (1,991.69 km) |
| Herndon to Fremont (California) | 2,397.58 mi (3,858.54 km) |
| Herndon to Fremont (Nebraska) | 1,020.10 mi (1,641.69 km) |
| Herndon to Fremont (Ohio) | 344.28 mi (554.07 km) |
| Herndon to French Valley (California) | 2,225.25 mi (3,581.19 km) |
| Herndon to Fresno (California) | 2,296.83 mi (3,696.39 km) |
| Herndon to Fresno (Texas) | 1,217.70 mi (1,959.70 km) |
| Herndon to Fridley (Minnesota) | 915.46 mi (1,473.29 km) |
