| Heswall to Arcos de Valdevez | 830.49 mi (1,336.55 km) |
| Heswall to Arcozelo | 886.28 mi (1,426.33 km) |
| Heswall to Arganil | 935.09 mi (1,504.89 km) |
| Heswall to Arouca | 889.27 mi (1,431.15 km) |
| Heswall to Arruda dos Vinhos | 1,030.56 mi (1,658.52 km) |
| Heswall to Aveiro | 914.62 mi (1,471.94 km) |
| Heswall to Aver-o-Mar | 864.86 mi (1,391.86 km) |
| Heswall to Aves | 856.08 mi (1,377.73 km) |
| Heswall to Azambuja | 1,022.40 mi (1,645.40 km) |
| Heswall to Baiao | 871.02 mi (1,401.77 km) |
| Heswall to Barcelos | 855.23 mi (1,376.36 km) |
| Heswall to Barreiro | 1,051.80 mi (1,692.70 km) |
| Heswall to Batalha | 982.41 mi (1,581.04 km) |
| Heswall to Beja | 1,081.09 mi (1,739.84 km) |
| Heswall to Belas | 1,047.17 mi (1,685.26 km) |
