| Loudoun Valley Estates to Carmona | 3,795.14 mi (6,107.69 km) |
| Loudoun Valley Estates to Cartagena | 4,019.50 mi (6,468.76 km) |
| Loudoun Valley Estates to Cartama | 3,867.65 mi (6,224.38 km) |
| Loudoun Valley Estates to Cartaya | 3,725.24 mi (5,995.19 km) |
| Loudoun Valley Estates to Caspe | 3,953.53 mi (6,362.60 km) |
| Loudoun Valley Estates to Cassa de la Selva | 4,068.82 mi (6,548.13 km) |
| Loudoun Valley Estates to Castalla | 4,003.38 mi (6,442.82 km) |
| Loudoun Valley Estates to Castellbisbal | 4,040.24 mi (6,502.13 km) |
| Loudoun Valley Estates to Castelldefels | 4,046.01 mi (6,511.42 km) |
| Loudoun Valley Estates to Castello de Ampurias | 4,066.69 mi (6,544.70 km) |
| Loudoun Valley Estates to Castellon de la Plana | 3,991.21 mi (6,423.23 km) |
| Loudoun Valley Estates to Castilleja de la Cuesta | 3,776.97 mi (6,078.44 km) |
| Loudoun Valley Estates to Catarroja | 3,991.28 mi (6,423.34 km) |
| Loudoun Valley Estates to Catral | 4,010.53 mi (6,454.32 km) |
| Loudoun Valley Estates to Caudete | 3,984.74 mi (6,412.82 km) |
