| Castel San Giorgio to Arcozelo | 1,215.03 mi (1,955.40 km) |
| Castel San Giorgio to Arganil | 1,192.74 mi (1,919.53 km) |
| Castel San Giorgio to Arouca | 1,195.62 mi (1,924.17 km) |
| Castel San Giorgio to Arruda dos Vinhos | 1,262.32 mi (2,031.50 km) |
| Castel San Giorgio to Aveiro | 1,219.38 mi (1,962.40 km) |
| Castel San Giorgio to Aver-o-Mar | 1,219.07 mi (1,961.91 km) |
| Castel San Giorgio to Aves | 1,194.65 mi (1,922.60 km) |
| Castel San Giorgio to Azambuja | 1,250.55 mi (2,012.57 km) |
| Castel San Giorgio to Baiao | 1,182.80 mi (1,903.54 km) |
| Castel San Giorgio to Barcelos | 1,210.47 mi (1,948.06 km) |
| Castel San Giorgio to Barreiro | 1,267.50 mi (2,039.84 km) |
| Castel San Giorgio to Batalha | 1,238.62 mi (1,993.37 km) |
| Castel San Giorgio to Beja | 1,217.00 mi (1,958.57 km) |
| Castel San Giorgio to Belas | 1,276.40 mi (2,054.16 km) |
| Castel San Giorgio to Benavente | 1,248.63 mi (2,009.48 km) |
