| Herndon to Los Alamos (New Mexico) | 1,593.01 mi (2,563.71 km) |
| Herndon to Los Altos (California) | 2,406.60 mi (3,873.05 km) |
| Herndon to Los Angeles (California) | 2,282.25 mi (3,672.93 km) |
| Herndon to Los Banos (California) | 2,346.53 mi (3,776.38 km) |
| Herndon to Los Gatos (California) | 2,401.98 mi (3,865.61 km) |
| Herndon to Los Lunas (New Mexico) | 1,642.12 mi (2,642.74 km) |
| Herndon to Los Osos (California) | 2,383.28 mi (3,835.52 km) |
| Herndon to Loudoun Valley Estates (Virginia) | 6.39 mi (10.28 km) |
| Herndon to Louisville (Colorado) | 1,476.13 mi (2,375.60 km) |
| Herndon to Louisville (Kentucky) | 449.60 mi (723.56 km) |
| Herndon to Lovejoy (Georgia) | 542.95 mi (873.79 km) |
| Herndon to Loveland (Colorado) | 1,468.76 mi (2,363.75 km) |
| Herndon to Loveland (Ohio) | 369.64 mi (594.88 km) |
| Herndon to Loves Park (Illinois) | 650.88 mi (1,047.49 km) |
| Herndon to Lovington (New Mexico) | 1,504.42 mi (2,421.13 km) |
