| Ashburn to Benavente | 3,592.75 mi (5,781.97 km) |
| Ashburn to Bombarral | 3,567.05 mi (5,740.61 km) |
| Ashburn to Bougado | 3,541.82 mi (5,700.01 km) |
| Ashburn to Braga | 3,543.08 mi (5,702.04 km) |
| Ashburn to Braganca | 3,616.04 mi (5,819.46 km) |
| Ashburn to Cabeceiras de Basto | 3,562.90 mi (5,733.93 km) |
| Ashburn to Cacem | 3,573.01 mi (5,750.20 km) |
| Ashburn to Cadaval | 3,570.71 mi (5,746.51 km) |
| Ashburn to Caldas da Rainha | 3,564.27 mi (5,736.14 km) |
| Ashburn to Calheta | 3,342.83 mi (5,379.77 km) |
| Ashburn to Camara de Lobos | 3,353.59 mi (5,397.08 km) |
| Ashburn to Canico | 3,361.90 mi (5,410.46 km) |
| Ashburn to Cantanhede | 3,565.81 mi (5,738.62 km) |
| Ashburn to Carregal do Sal | 3,592.40 mi (5,781.41 km) |
| Ashburn to Cartaxo | 3,588.57 mi (5,775.25 km) |
