| Loudoun Valley Estates to Cividale del Friuli | 4,395.36 mi (7,073.65 km) |
| Loudoun Valley Estates to Civita Castellana | 4,484.38 mi (7,216.91 km) |
| Loudoun Valley Estates to Civitanova Marche | 4,506.18 mi (7,251.99 km) |
| Loudoun Valley Estates to Civitavecchia | 4,464.47 mi (7,184.87 km) |
| Loudoun Valley Estates to Civitella in Val di Chiana | 4,414.86 mi (7,105.04 km) |
| Loudoun Valley Estates to Clusone | 4,256.23 mi (6,849.73 km) |
| Loudoun Valley Estates to Coccaglio | 4,267.84 mi (6,868.43 km) |
| Loudoun Valley Estates to Codigoro | 4,383.36 mi (7,054.33 km) |
| Loudoun Valley Estates to Codogno | 4,269.31 mi (6,870.80 km) |
| Loudoun Valley Estates to Codroipo | 4,381.15 mi (7,050.78 km) |
| Loudoun Valley Estates to Cogoleto | 4,248.61 mi (6,837.48 km) |
| Loudoun Valley Estates to Colle di Val d'Elsa | 4,390.05 mi (7,065.11 km) |
| Loudoun Valley Estates to Colle Salvetti | 4,354.90 mi (7,008.53 km) |
| Loudoun Valley Estates to Collecchio | 4,304.81 mi (6,927.92 km) |
| Loudoun Valley Estates to Colleferro | 4,531.14 mi (7,292.16 km) |
