| Risca to Arcos de Valdevez | 719.58 mi (1,158.04 km) |
| Risca to Arcozelo | 775.10 mi (1,247.41 km) |
| Risca to Arganil | 821.85 mi (1,322.64 km) |
| Risca to Arouca | 777.01 mi (1,250.48 km) |
| Risca to Arruda dos Vinhos | 918.59 mi (1,478.32 km) |
| Risca to Aveiro | 803.06 mi (1,292.41 km) |
| Risca to Aver-o-Mar | 754.40 mi (1,214.09 km) |
| Risca to Aves | 744.42 mi (1,198.03 km) |
| Risca to Azambuja | 910.07 mi (1,464.62 km) |
| Risca to Baiao | 758.45 mi (1,220.62 km) |
| Risca to Barcelos | 744.48 mi (1,198.12 km) |
| Risca to Barreiro | 939.60 mi (1,512.14 km) |
| Risca to Batalha | 870.37 mi (1,400.73 km) |
| Risca to Beja | 966.34 mi (1,555.18 km) |
| Risca to Belas | 935.49 mi (1,505.52 km) |
