| Herndon to Excelsior Springs (Missouri) | 902.02 mi (1,451.66 km) |
| Herndon to Exeter (California) | 2,272.49 mi (3,657.22 km) |
| Herndon to Fair Lawn (New Jersey) | 220.04 mi (354.12 km) |
| Herndon to Fair Oaks (California) | 2,338.24 mi (3,763.03 km) |
| Herndon to Fair Oaks (Virginia) | 7.38 mi (11.88 km) |
| Herndon to Fairbanks (Alaska) | 3,253.62 mi (5,236.19 km) |
| Herndon to Fairborn (Ohio) | 358.21 mi (576.48 km) |
| Herndon to Fairburn (Georgia) | 548.62 mi (882.92 km) |
| Herndon to Fairfax (Virginia) | 9.33 mi (15.01 km) |
| Herndon to Fairfax Station (Virginia) | 12.44 mi (20.03 km) |
| Herndon to Fairfield (California) | 2,386.24 mi (3,840.28 km) |
| Herndon to Fairfield (Ohio) | 384.04 mi (618.05 km) |
| Herndon to Fairhope (Alabama) | 833.00 mi (1,340.58 km) |
| Herndon to Fairland (Maryland) | 24.51 mi (39.45 km) |
| Herndon to Fairmont (Minnesota) | 941.14 mi (1,514.61 km) |
