| Herndon to Sanford (Maine) | 461.80 mi (743.20 km) |
| Herndon to Sanford (North Carolina) | 259.97 mi (418.38 km) |
| Herndon to Sanger (California) | 2,286.01 mi (3,678.98 km) |
| Herndon to Santa Ana (California) | 2,263.40 mi (3,642.59 km) |
| Herndon to Santa Barbara (California) | 2,344.93 mi (3,773.80 km) |
| Herndon to Santa Clara (California) | 2,399.92 mi (3,862.30 km) |
| Herndon to Santa Clara (Oregon) | 2,361.45 mi (3,800.39 km) |
| Herndon to Santa Clarita (California) | 2,279.75 mi (3,668.90 km) |
| Herndon to Santa Cruz (California) | 2,411.21 mi (3,880.47 km) |
| Herndon to Santa Fe (New Mexico) | 1,581.24 mi (2,544.75 km) |
| Herndon to Santa Fe (Texas) | 1,206.27 mi (1,941.30 km) |
| Herndon to Santa Fe Springs (California) | 2,268.23 mi (3,650.37 km) |
| Herndon to Santa Maria (California) | 2,371.58 mi (3,816.69 km) |
| Herndon to Santa Monica (California) | 2,288.43 mi (3,682.88 km) |
| Herndon to Santa Paula (California) | 2,311.70 mi (3,720.33 km) |
