| Santa Monica to Arcos de Valdevez | 5,576.27 mi (8,974.13 km) |
| Santa Monica to Arcozelo | 5,600.85 mi (9,013.69 km) |
| Santa Monica to Arganil | 5,660.71 mi (9,110.04 km) |
| Santa Monica to Arouca | 5,622.24 mi (9,048.12 km) |
| Santa Monica to Arruda dos Vinhos | 5,670.94 mi (9,126.50 km) |
| Santa Monica to Aveiro | 5,618.34 mi (9,041.84 km) |
| Santa Monica to Aver-o-Mar | 5,580.77 mi (8,981.38 km) |
| Santa Monica to Aves | 5,598.41 mi (9,009.77 km) |
| Santa Monica to Azambuja | 5,675.86 mi (9,134.42 km) |
| Santa Monica to Baiao | 5,620.96 mi (9,046.06 km) |
| Santa Monica to Barcelos | 5,582.22 mi (8,983.72 km) |
| Santa Monica to Barreiro | 5,684.38 mi (9,148.12 km) |
| Santa Monica to Batalha | 5,653.87 mi (9,099.03 km) |
| Santa Monica to Beja | 5,761.83 mi (9,272.76 km) |
| Santa Monica to Belas | 5,671.05 mi (9,126.67 km) |
