| Southwater to Arcos de Valdevez | 740.29 mi (1,191.39 km) |
| Southwater to Arcozelo | 794.04 mi (1,277.89 km) |
| Southwater to Arganil | 833.14 mi (1,340.81 km) |
| Southwater to Arouca | 792.42 mi (1,275.28 km) |
| Southwater to Arruda dos Vinhos | 932.99 mi (1,501.50 km) |
| Southwater to Aveiro | 820.37 mi (1,320.26 km) |
| Southwater to Aver-o-Mar | 775.84 mi (1,248.60 km) |
| Southwater to Aves | 762.36 mi (1,226.91 km) |
| Southwater to Azambuja | 923.37 mi (1,486.02 km) |
| Southwater to Baiao | 773.14 mi (1,244.25 km) |
| Southwater to Barcelos | 765.25 mi (1,231.55 km) |
| Southwater to Barreiro | 953.00 mi (1,533.71 km) |
| Southwater to Batalha | 885.14 mi (1,424.50 km) |
| Southwater to Beja | 969.95 mi (1,560.98 km) |
| Southwater to Belas | 950.60 mi (1,529.85 km) |
