| Herrin to Arcos de Valdevez | 4,123.16 mi (6,635.59 km) |
| Herrin to Arcozelo | 4,136.46 mi (6,657.00 km) |
| Herrin to Arganil | 4,189.48 mi (6,742.32 km) |
| Herrin to Arouca | 4,158.65 mi (6,692.70 km) |
| Herrin to Arruda dos Vinhos | 4,179.33 mi (6,725.98 km) |
| Herrin to Aveiro | 4,148.69 mi (6,676.66 km) |
| Herrin to Aver-o-Mar | 4,119.99 mi (6,630.48 km) |
| Herrin to Aves | 4,140.83 mi (6,664.02 km) |
| Herrin to Azambuja | 4,186.34 mi (6,737.27 km) |
| Herrin to Baiao | 4,161.51 mi (6,697.31 km) |
| Herrin to Barcelos | 4,123.75 mi (6,636.54 km) |
| Herrin to Barreiro | 4,189.16 mi (6,741.80 km) |
| Herrin to Batalha | 4,171.54 mi (6,713.44 km) |
| Herrin to Beja | 4,266.19 mi (6,865.76 km) |
| Herrin to Belas | 4,175.91 mi (6,720.48 km) |
