| Saint Helens to Arcos de Valdevez | 843.31 mi (1,357.18 km) |
| Saint Helens to Arcozelo | 899.05 mi (1,446.88 km) |
| Saint Helens to Arganil | 947.33 mi (1,524.58 km) |
| Saint Helens to Arouca | 901.77 mi (1,451.26 km) |
| Saint Helens to Arruda dos Vinhos | 1,043.16 mi (1,678.80 km) |
| Saint Helens to Aveiro | 927.30 mi (1,492.35 km) |
| Saint Helens to Aver-o-Mar | 877.79 mi (1,412.67 km) |
| Saint Helens to Aves | 868.73 mi (1,398.08 km) |
| Saint Helens to Azambuja | 1,034.91 mi (1,665.52 km) |
| Saint Helens to Baiao | 883.43 mi (1,421.75 km) |
| Saint Helens to Barcelos | 868.09 mi (1,397.06 km) |
| Saint Helens to Barreiro | 1,064.34 mi (1,712.89 km) |
| Saint Helens to Batalha | 994.99 mi (1,601.28 km) |
| Saint Helens to Beja | 1,092.86 mi (1,758.78 km) |
| Saint Helens to Belas | 1,059.85 mi (1,705.66 km) |
