| Loudoun Valley Estates to South Plainfield (New Jersey) | 197.75 mi (318.25 km) |
| Loudoun Valley Estates to South Portland (Maine) | 493.29 mi (793.88 km) |
| Loudoun Valley Estates to South Riding (Virginia) | 4.51 mi (7.26 km) |
| Loudoun Valley Estates to South River (New Jersey) | 194.71 mi (313.35 km) |
| Loudoun Valley Estates to South Salt Lake (Utah) | 1,816.86 mi (2,923.95 km) |
| Loudoun Valley Estates to South San Francisco (California) | 2,411.62 mi (3,881.12 km) |
| Loudoun Valley Estates to South San Jose Hills (California) | 2,251.42 mi (3,623.32 km) |
| Loudoun Valley Estates to South Sioux City (Nebraska) | 1,016.63 mi (1,636.10 km) |
| Loudoun Valley Estates to South St. Paul (Minnesota) | 894.87 mi (1,440.15 km) |
| Loudoun Valley Estates to South Valley (New Mexico) | 1,626.12 mi (2,616.99 km) |
| Loudoun Valley Estates to South Venice (Florida) | 871.78 mi (1,402.99 km) |
| Loudoun Valley Estates to South Whittier (California) | 2,260.15 mi (3,637.36 km) |
| Loudoun Valley Estates to South Yarmouth (Massachusetts) | 427.20 mi (687.51 km) |
| Loudoun Valley Estates to Southaven (Mississippi) | 741.85 mi (1,193.88 km) |
| Loudoun Valley Estates to Southchase (Florida) | 765.32 mi (1,231.67 km) |
