| Lastra a Signa to Bombarral | 1,089.83 mi (1,753.92 km) |
| Lastra a Signa to Bougado | 1,012.11 mi (1,628.84 km) |
| Lastra a Signa to Braga | 1,001.19 mi (1,611.26 km) |
| Lastra a Signa to Braganca | 913.80 mi (1,470.62 km) |
| Lastra a Signa to Cabeceiras de Basto | 981.39 mi (1,579.40 km) |
| Lastra a Signa to Cacem | 1,111.25 mi (1,788.39 km) |
| Lastra a Signa to Cadaval | 1,088.06 mi (1,751.06 km) |
| Lastra a Signa to Caldas da Rainha | 1,085.13 mi (1,746.35 km) |
| Lastra a Signa to Calheta | 1,701.48 mi (2,738.26 km) |
| Lastra a Signa to Camara de Lobos | 1,693.73 mi (2,725.80 km) |
| Lastra a Signa to Canico | 1,689.80 mi (2,719.48 km) |
| Lastra a Signa to Cantanhede | 1,034.91 mi (1,665.52 km) |
| Lastra a Signa to Carregal do Sal | 1,003.44 mi (1,614.87 km) |
| Lastra a Signa to Cartaxo | 1,074.79 mi (1,729.71 km) |
| Lastra a Signa to Cascais | 1,118.60 mi (1,800.22 km) |
