| Ashburn to Collegno | 4,176.35 mi (6,721.19 km) |
| Ashburn to Cologno al Serio | 4,251.74 mi (6,842.52 km) |
| Ashburn to Cologno Monzese | 4,235.49 mi (6,816.37 km) |
| Ashburn to Colorno | 4,302.33 mi (6,923.93 km) |
| Ashburn to Comacchio | 4,387.18 mi (7,060.49 km) |
| Ashburn to Comiso | 4,777.13 mi (7,688.04 km) |
| Ashburn to Como | 4,218.22 mi (6,788.57 km) |
| Ashburn to Concordia Sagittaria | 4,378.83 mi (7,047.04 km) |
| Ashburn to Concorezzo | 4,235.98 mi (6,817.16 km) |
| Ashburn to Conegliano | 4,351.58 mi (7,003.19 km) |
| Ashburn to Conselice | 4,378.51 mi (7,046.53 km) |
| Ashburn to Conselve | 4,355.54 mi (7,009.56 km) |
| Ashburn to Conversano | 4,735.37 mi (7,620.84 km) |
| Ashburn to Copertino | 4,803.00 mi (7,729.68 km) |
| Ashburn to Copparo | 4,365.43 mi (7,025.49 km) |
