| Spanish Lake to Arcos de Valdevez | 4,141.68 mi (6,665.39 km) |
| Spanish Lake to Arcozelo | 4,156.42 mi (6,689.12 km) |
| Spanish Lake to Arganil | 4,210.44 mi (6,776.05 km) |
| Spanish Lake to Arouca | 4,178.56 mi (6,724.75 km) |
| Spanish Lake to Arruda dos Vinhos | 4,202.94 mi (6,763.98 km) |
| Spanish Lake to Aveiro | 4,169.35 mi (6,709.91 km) |
| Spanish Lake to Aver-o-Mar | 4,139.45 mi (6,661.81 km) |
| Spanish Lake to Aves | 4,159.94 mi (6,694.78 km) |
| Spanish Lake to Azambuja | 4,209.69 mi (6,774.84 km) |
| Spanish Lake to Baiao | 4,180.92 mi (6,728.53 km) |
| Spanish Lake to Barcelos | 4,142.94 mi (6,667.41 km) |
| Spanish Lake to Barreiro | 4,213.27 mi (6,780.61 km) |
| Spanish Lake to Batalha | 4,193.90 mi (6,749.42 km) |
| Spanish Lake to Beja | 4,290.53 mi (6,904.94 km) |
| Spanish Lake to Belas | 4,199.99 mi (6,759.23 km) |
