| Astoria to Benavente | 5,314.92 mi (8,553.54 km) |
| Astoria to Bombarral | 5,286.72 mi (8,508.15 km) |
| Astoria to Bougado | 5,198.10 mi (8,365.53 km) |
| Astoria to Braga | 5,191.53 mi (8,354.96 km) |
| Astoria to Braganca | 5,232.95 mi (8,421.62 km) |
| Astoria to Cabeceiras de Basto | 5,205.89 mi (8,378.07 km) |
| Astoria to Cacem | 5,307.63 mi (8,541.81 km) |
| Astoria to Cadaval | 5,290.47 mi (8,514.19 km) |
| Astoria to Caldas da Rainha | 5,280.07 mi (8,497.45 km) |
| Astoria to Calheta | 5,326.79 mi (8,572.64 km) |
| Astoria to Camara de Lobos | 5,335.75 mi (8,587.07 km) |
| Astoria to Canico | 5,343.54 mi (8,599.60 km) |
| Astoria to Cantanhede | 5,249.14 mi (8,447.67 km) |
| Astoria to Carregal do Sal | 5,264.66 mi (8,472.64 km) |
| Astoria to Cartaxo | 5,305.81 mi (8,538.88 km) |
