| San Marcos to Alenquer | 5,655.51 mi (9,101.67 km) |
| San Marcos to Alfena | 5,586.41 mi (8,990.46 km) |
| San Marcos to Alijo | 5,628.51 mi (9,058.21 km) |
| San Marcos to Aljustrel | 5,739.23 mi (9,236.40 km) |
| San Marcos to Almada | 5,664.58 mi (9,116.26 km) |
| San Marcos to Almargem | 5,652.82 mi (9,097.33 km) |
| San Marcos to Almeirim | 5,666.54 mi (9,119.42 km) |
| San Marcos to Amadora | 5,659.15 mi (9,107.52 km) |
| San Marcos to Amarante | 5,604.34 mi (9,019.32 km) |
| San Marcos to Amares | 5,578.82 mi (8,978.25 km) |
| San Marcos to Amora | 5,668.50 mi (9,122.57 km) |
| San Marcos to Anadia | 5,623.43 mi (9,050.03 km) |
| San Marcos to Angra do Heroismo | 4,837.02 mi (7,784.43 km) |
| San Marcos to Ansiao | 5,644.76 mi (9,084.37 km) |
| San Marcos to Anta | 5,591.73 mi (8,999.02 km) |
