| Signa to Arcozelo | 1,021.76 mi (1,644.37 km) |
| Signa to Arganil | 1,011.33 mi (1,627.58 km) |
| Signa to Arouca | 1,004.66 mi (1,616.84 km) |
| Signa to Arruda dos Vinhos | 1,093.57 mi (1,759.93 km) |
| Signa to Aveiro | 1,031.28 mi (1,659.68 km) |
| Signa to Aver-o-Mar | 1,021.36 mi (1,643.71 km) |
| Signa to Aves | 997.30 mi (1,605.00 km) |
| Signa to Azambuja | 1,081.42 mi (1,740.37 km) |
| Signa to Baiao | 989.34 mi (1,592.19 km) |
| Signa to Barcelos | 1,011.65 mi (1,628.10 km) |
| Signa to Barreiro | 1,102.69 mi (1,774.61 km) |
| Signa to Batalha | 1,062.38 mi (1,709.74 km) |
| Signa to Beja | 1,064.84 mi (1,713.70 km) |
| Signa to Belas | 1,109.54 mi (1,785.64 km) |
| Signa to Benavente | 1,080.98 mi (1,739.66 km) |
