| Loudoun Valley Estates to Keene (New Hampshire) | 385.98 mi (621.17 km) |
| Loudoun Valley Estates to Keizer (Oregon) | 2,342.77 mi (3,770.32 km) |
| Loudoun Valley Estates to Keller (Texas) | 1,176.34 mi (1,893.13 km) |
| Loudoun Valley Estates to Kelso (Washington) | 2,329.24 mi (3,748.56 km) |
| Loudoun Valley Estates to Kemp Mill (Maryland) | 26.35 mi (42.41 km) |
| Loudoun Valley Estates to Ken Caryl (Colorado) | 1,471.43 mi (2,368.04 km) |
| Loudoun Valley Estates to Kendale Lakes (Florida) | 932.16 mi (1,500.17 km) |
| Loudoun Valley Estates to Kendall (Florida) | 934.24 mi (1,503.51 km) |
| Loudoun Valley Estates to Kendall Park (New Jersey) | 185.23 mi (298.11 km) |
| Loudoun Valley Estates to Kendall West (Florida) | 932.60 mi (1,500.88 km) |
| Loudoun Valley Estates to Kenmore (New York) | 284.57 mi (457.97 km) |
| Loudoun Valley Estates to Kenmore (Washington) | 2,293.23 mi (3,690.60 km) |
| Loudoun Valley Estates to Kenner (Louisiana) | 952.68 mi (1,533.19 km) |
| Loudoun Valley Estates to Kennesaw (Georgia) | 522.24 mi (840.46 km) |
| Loudoun Valley Estates to Kennett (Missouri) | 711.43 mi (1,144.94 km) |
