| Loudoun Valley Estates to Security-Widefield (Colorado) | 1,458.42 mi (2,347.10 km) |
| Loudoun Valley Estates to Sedalia (Missouri) | 845.61 mi (1,360.87 km) |
| Loudoun Valley Estates to Sedro-Woolley (Washington) | 2,291.63 mi (3,688.03 km) |
| Loudoun Valley Estates to Seguin (Texas) | 1,331.70 mi (2,143.16 km) |
| Loudoun Valley Estates to Selden (New York) | 270.04 mi (434.59 km) |
| Loudoun Valley Estates to Selma (Alabama) | 700.21 mi (1,126.88 km) |
| Loudoun Valley Estates to Selma (California) | 2,285.25 mi (3,677.76 km) |
| Loudoun Valley Estates to Selma (Texas) | 1,348.92 mi (2,170.88 km) |
| Loudoun Valley Estates to Seminole (Florida) | 826.89 mi (1,330.75 km) |
| Loudoun Valley Estates to Seven Hills (Ohio) | 275.61 mi (443.55 km) |
| Loudoun Valley Estates to Seven Oaks (South Carolina) | 395.92 mi (637.17 km) |
| Loudoun Valley Estates to Severn (Maryland) | 44.80 mi (72.10 km) |
| Loudoun Valley Estates to Severna Park (Maryland) | 50.84 mi (81.82 km) |
| Loudoun Valley Estates to Sevierville (Tennessee) | 395.09 mi (635.84 km) |
| Loudoun Valley Estates to Seymour (Indiana) | 450.37 mi (724.79 km) |
