| Lastra a Signa to Alfena | 1,012.35 mi (1,629.22 km) |
| Lastra a Signa to Alijo | 959.30 mi (1,543.84 km) |
| Lastra a Signa to Aljustrel | 1,081.95 mi (1,741.23 km) |
| Lastra a Signa to Almada | 1,106.54 mi (1,780.80 km) |
| Lastra a Signa to Almargem | 1,107.24 mi (1,781.94 km) |
| Lastra a Signa to Almeirim | 1,065.23 mi (1,714.33 km) |
| Lastra a Signa to Amadora | 1,108.66 mi (1,784.22 km) |
| Lastra a Signa to Amarante | 988.95 mi (1,591.56 km) |
| Lastra a Signa to Amares | 995.66 mi (1,602.36 km) |
| Lastra a Signa to Amora | 1,106.19 mi (1,780.24 km) |
| Lastra a Signa to Anadia | 1,024.92 mi (1,649.45 km) |
| Lastra a Signa to Angra do Heroismo | 2,004.22 mi (3,225.49 km) |
| Lastra a Signa to Ansiao | 1,037.32 mi (1,669.40 km) |
| Lastra a Signa to Anta | 1,021.95 mi (1,644.67 km) |
| Lastra a Signa to Arcos de Valdevez | 995.88 mi (1,602.72 km) |
