| Clay to Arcos de Valdevez | 4,159.48 mi (6,694.04 km) |
| Clay to Arcozelo | 4,167.79 mi (6,707.41 km) |
| Clay to Arganil | 4,217.09 mi (6,786.76 km) |
| Clay to Arouca | 4,190.01 mi (6,743.17 km) |
| Clay to Arruda dos Vinhos | 4,197.89 mi (6,755.84 km) |
| Clay to Aveiro | 4,177.55 mi (6,723.11 km) |
| Clay to Aver-o-Mar | 4,153.09 mi (6,683.76 km) |
| Clay to Aves | 4,175.01 mi (6,719.02 km) |
| Clay to Azambuja | 4,205.77 mi (6,768.54 km) |
| Clay to Baiao | 4,194.61 mi (6,750.58 km) |
| Clay to Barcelos | 4,157.79 mi (6,691.32 km) |
| Clay to Barreiro | 4,205.90 mi (6,768.73 km) |
| Clay to Batalha | 4,194.45 mi (6,750.31 km) |
| Clay to Beja | 4,281.74 mi (6,890.80 km) |
| Clay to Belas | 4,192.87 mi (6,747.77 km) |
