| Herndon to Friendly (Maryland) | 26.96 mi (43.39 km) |
| Herndon to Friendswood (Texas) | 1,205.76 mi (1,940.48 km) |
| Herndon to Frisco (Texas) | 1,154.60 mi (1,858.15 km) |
| Herndon to Front Royal (Virginia) | 42.94 mi (69.10 km) |
| Herndon to Fruit Cove (Florida) | 658.43 mi (1,059.63 km) |
| Herndon to Fruita (Colorado) | 1,673.12 mi (2,692.63 km) |
| Herndon to Fruitville (Florida) | 855.56 mi (1,376.89 km) |
| Herndon to Fuller Heights (Florida) | 807.94 mi (1,300.25 km) |
| Herndon to Fullerton (California) | 2,262.22 mi (3,640.69 km) |
| Herndon to Fullerton (Pennsylvania) | 152.89 mi (246.06 km) |
| Herndon to Fulshear (Texas) | 1,230.98 mi (1,981.07 km) |
| Herndon to Fulton (Missouri) | 782.21 mi (1,258.85 km) |
| Herndon to Fulton (New York) | 304.57 mi (490.15 km) |
| Herndon to Fuquay-Varina (North Carolina) | 245.37 mi (394.89 km) |
| Herndon to Gadsden (Alabama) | 588.84 mi (947.65 km) |
