| Asten to Bombarral | 1,103.30 mi (1,775.59 km) |
| Asten to Bougado | 970.76 mi (1,562.29 km) |
| Asten to Braga | 954.82 mi (1,536.63 km) |
| Asten to Braganca | 887.48 mi (1,428.25 km) |
| Asten to Cabeceiras de Basto | 942.49 mi (1,516.80 km) |
| Asten to Cacem | 1,136.10 mi (1,828.38 km) |
| Asten to Cadaval | 1,103.53 mi (1,775.96 km) |
| Asten to Caldas da Rainha | 1,094.89 mi (1,762.06 km) |
| Asten to Calheta | 1,730.85 mi (2,785.53 km) |
| Asten to Camara de Lobos | 1,726.33 mi (2,778.26 km) |
| Asten to Canico | 1,725.17 mi (2,776.40 km) |
| Asten to Cantanhede | 1,025.66 mi (1,650.64 km) |
| Asten to Carregal do Sal | 1,002.15 mi (1,612.80 km) |
| Asten to Cartaxo | 1,098.46 mi (1,767.80 km) |
| Asten to Cascais | 1,143.44 mi (1,840.19 km) |
