| Herndon to San Diego (California) | 2,245.78 mi (3,614.23 km) |
| Herndon to San Diego Country Estates (California) | 2,223.15 mi (3,577.81 km) |
| Herndon to San Dimas (California) | 2,250.37 mi (3,621.63 km) |
| Herndon to San Fernando (California) | 2,279.61 mi (3,668.68 km) |
| Herndon to San Francisco (California) | 2,417.29 mi (3,890.25 km) |
| Herndon to San Gabriel (California) | 2,266.23 mi (3,647.15 km) |
| Herndon to San Germán (Puerto Rico) | 1,571.06 mi (2,528.38 km) |
| Herndon to San Jacinto (California) | 2,214.17 mi (3,563.36 km) |
| Herndon to San Jose (California) | 2,394.87 mi (3,854.17 km) |
| Herndon to San Juan (Puerto Rico) | 1,575.27 mi (2,535.15 km) |
| Herndon to San Juan (Texas) | 1,490.99 mi (2,399.52 km) |
| Herndon to San Juan Capistrano (California) | 2,257.11 mi (3,632.46 km) |
| Herndon to San Leandro (California) | 2,403.28 mi (3,867.70 km) |
| Herndon to San Lorenzo (California) | 2,402.54 mi (3,866.51 km) |
| Herndon to San Luis (Arizona) | 2,125.17 mi (3,420.14 km) |
