| Loudoun Valley Estates to Carrollwood (Florida) | 807.38 mi (1,299.36 km) |
| Loudoun Valley Estates to Carson (California) | 2,274.56 mi (3,660.55 km) |
| Loudoun Valley Estates to Carson City (Nevada) | 2,245.19 mi (3,613.29 km) |
| Loudoun Valley Estates to Carteret (New Jersey) | 206.42 mi (332.19 km) |
| Loudoun Valley Estates to Cartersville (Georgia) | 523.57 mi (842.61 km) |
| Loudoun Valley Estates to Carthage (Missouri) | 922.15 mi (1,484.06 km) |
| Loudoun Valley Estates to Cary (Illinois) | 605.86 mi (975.03 km) |
| Loudoun Valley Estates to Cary (North Carolina) | 232.24 mi (373.76 km) |
| Loudoun Valley Estates to Casa de Oro-Mount Helix (California) | 2,232.93 mi (3,593.55 km) |
| Loudoun Valley Estates to Casa Grande (Arizona) | 1,949.56 mi (3,137.52 km) |
| Loudoun Valley Estates to Casas Adobes (Arizona) | 1,924.35 mi (3,096.94 km) |
| Loudoun Valley Estates to Cascades (Virginia) | 7.94 mi (12.78 km) |
| Loudoun Valley Estates to Casper (Wyoming) | 1,520.47 mi (2,446.96 km) |
| Loudoun Valley Estates to Casselberry (Florida) | 745.37 mi (1,199.56 km) |
| Loudoun Valley Estates to Castaic (California) | 2,279.06 mi (3,667.80 km) |
