| Tallaght to Alfena | 838.69 mi (1,349.74 km) |
| Tallaght to Alijo | 831.61 mi (1,338.34 km) |
| Tallaght to Aljustrel | 1,065.60 mi (1,714.92 km) |
| Tallaght to Almada | 1,018.05 mi (1,638.39 km) |
| Tallaght to Almargem | 1,007.30 mi (1,621.09 km) |
| Tallaght to Almeirim | 979.27 mi (1,575.98 km) |
| Tallaght to Amadora | 1,014.88 mi (1,633.30 km) |
| Tallaght to Amarante | 834.43 mi (1,342.88 km) |
| Tallaght to Amares | 811.63 mi (1,306.20 km) |
| Tallaght to Amora | 1,021.50 mi (1,643.95 km) |
| Tallaght to Anadia | 893.51 mi (1,437.97 km) |
| Tallaght to Angra do Heroismo | 1,413.02 mi (2,274.04 km) |
| Tallaght to Ansiao | 929.05 mi (1,495.16 km) |
| Tallaght to Anta | 855.11 mi (1,376.16 km) |
| Tallaght to Arcos de Valdevez | 796.25 mi (1,281.45 km) |
