| Derry to Alenquer | 1,104.21 mi (1,777.05 km) |
| Derry to Alfena | 951.81 mi (1,531.80 km) |
| Derry to Alijo | 947.68 mi (1,525.14 km) |
| Derry to Aljustrel | 1,180.40 mi (1,899.67 km) |
| Derry to Almada | 1,130.18 mi (1,818.84 km) |
| Derry to Almargem | 1,119.06 mi (1,800.95 km) |
| Derry to Almeirim | 1,092.70 mi (1,758.53 km) |
| Derry to Amadora | 1,126.79 mi (1,813.39 km) |
| Derry to Amarante | 948.88 mi (1,527.08 km) |
| Derry to Amares | 925.22 mi (1,489.00 km) |
| Derry to Amora | 1,133.75 mi (1,824.60 km) |
| Derry to Anadia | 1,007.14 mi (1,620.83 km) |
| Derry to Angra do Heroismo | 1,457.93 mi (2,346.31 km) |
| Derry to Ansiao | 1,042.80 mi (1,678.22 km) |
| Derry to Anta | 968.01 mi (1,557.85 km) |
