| San Diego to Arcos de Valdevez | 5,578.32 mi (8,977.44 km) |
| San Diego to Arcozelo | 5,601.43 mi (9,014.63 km) |
| San Diego to Arganil | 5,660.50 mi (9,109.69 km) |
| San Diego to Arouca | 5,622.99 mi (9,049.32 km) |
| San Diego to Arruda dos Vinhos | 5,667.81 mi (9,121.46 km) |
| San Diego to Aveiro | 5,618.23 mi (9,041.68 km) |
| San Diego to Aver-o-Mar | 5,581.79 mi (8,983.03 km) |
| San Diego to Aves | 5,599.92 mi (9,012.19 km) |
| San Diego to Azambuja | 5,673.06 mi (9,129.90 km) |
| San Diego to Baiao | 5,622.27 mi (9,048.17 km) |
| San Diego to Barcelos | 5,583.56 mi (8,985.88 km) |
| San Diego to Barreiro | 5,680.74 mi (9,142.27 km) |
| San Diego to Batalha | 5,652.06 mi (9,096.11 km) |
| San Diego to Beja | 5,758.31 mi (9,267.11 km) |
| San Diego to Belas | 5,667.39 mi (9,120.79 km) |
