| Rietavas to Arcozelo | 1,707.71 mi (2,748.30 km) |
| Rietavas to Arganil | 1,729.66 mi (2,783.62 km) |
| Rietavas to Arouca | 1,699.81 mi (2,735.58 km) |
| Rietavas to Arruda dos Vinhos | 1,829.37 mi (2,944.09 km) |
| Rietavas to Aveiro | 1,729.44 mi (2,783.27 km) |
| Rietavas to Aver-o-Mar | 1,694.90 mi (2,727.68 km) |
| Rietavas to Aves | 1,676.30 mi (2,697.74 km) |
| Rietavas to Azambuja | 1,818.01 mi (2,925.81 km) |
| Rietavas to Baiao | 1,680.52 mi (2,704.54 km) |
| Rietavas to Barcelos | 1,683.82 mi (2,709.85 km) |
| Rietavas to Barreiro | 1,846.04 mi (2,970.91 km) |
| Rietavas to Batalha | 1,785.24 mi (2,873.07 km) |
| Rietavas to Beja | 1,839.10 mi (2,959.74 km) |
| Rietavas to Belas | 1,847.46 mi (2,973.19 km) |
| Rietavas to Benavente | 1,820.94 mi (2,930.52 km) |
