| Del Rio to Arcos de Valdevez | 5,014.98 mi (8,070.84 km) |
| Del Rio to Arcozelo | 5,026.97 mi (8,090.13 km) |
| Del Rio to Arganil | 5,078.92 mi (8,173.73 km) |
| Del Rio to Arouca | 5,049.18 mi (8,125.88 km) |
| Del Rio to Arruda dos Vinhos | 5,065.58 mi (8,152.26 km) |
| Del Rio to Aveiro | 5,038.48 mi (8,108.64 km) |
| Del Rio to Aver-o-Mar | 5,010.98 mi (8,064.39 km) |
| Del Rio to Aves | 5,032.12 mi (8,098.41 km) |
| Del Rio to Azambuja | 5,072.94 mi (8,164.10 km) |
| Del Rio to Baiao | 5,052.53 mi (8,131.27 km) |
| Del Rio to Barcelos | 5,014.99 mi (8,070.85 km) |
| Del Rio to Barreiro | 5,074.70 mi (8,166.94 km) |
| Del Rio to Batalha | 5,059.39 mi (8,142.30 km) |
| Del Rio to Beja | 5,151.32 mi (8,290.25 km) |
| Del Rio to Belas | 5,061.53 mi (8,145.74 km) |
