| Ashburn to Cividale del Friuli | 4,391.74 mi (7,067.82 km) |
| Ashburn to Civita Castellana | 4,480.87 mi (7,211.26 km) |
| Ashburn to Civitanova Marche | 4,502.62 mi (7,246.27 km) |
| Ashburn to Civitavecchia | 4,460.98 mi (7,179.25 km) |
| Ashburn to Civitella in Val di Chiana | 4,411.33 mi (7,099.35 km) |
| Ashburn to Clusone | 4,252.64 mi (6,843.97 km) |
| Ashburn to Coccaglio | 4,264.27 mi (6,862.67 km) |
| Ashburn to Codigoro | 4,379.78 mi (7,048.57 km) |
| Ashburn to Codogno | 4,265.75 mi (6,865.07 km) |
| Ashburn to Codroipo | 4,377.53 mi (7,044.96 km) |
| Ashburn to Cogoleto | 4,245.09 mi (6,831.81 km) |
| Ashburn to Colle di Val d'Elsa | 4,386.53 mi (7,059.44 km) |
| Ashburn to Colle Salvetti | 4,351.38 mi (7,002.86 km) |
| Ashburn to Collecchio | 4,301.25 mi (6,922.20 km) |
| Ashburn to Colleferro | 4,527.64 mi (7,286.53 km) |
