| Sheldon to Alenquer | 988.42 mi (1,590.71 km) |
| Sheldon to Alfena | 837.04 mi (1,347.08 km) |
| Sheldon to Alijo | 817.14 mi (1,315.06 km) |
| Sheldon to Aljustrel | 1,050.38 mi (1,690.43 km) |
| Sheldon to Almada | 1,015.07 mi (1,633.59 km) |
| Sheldon to Almargem | 1,006.00 mi (1,619.00 km) |
| Sheldon to Almeirim | 972.01 mi (1,564.29 km) |
| Sheldon to Amadora | 1,012.84 mi (1,630.01 km) |
| Sheldon to Amarante | 827.26 mi (1,331.35 km) |
| Sheldon to Amares | 809.05 mi (1,302.04 km) |
| Sheldon to Amora | 1,017.95 mi (1,638.23 km) |
| Sheldon to Anadia | 887.94 mi (1,429.01 km) |
| Sheldon to Angra do Heroismo | 1,543.18 mi (2,483.52 km) |
| Sheldon to Ansiao | 921.85 mi (1,483.58 km) |
| Sheldon to Anta | 853.80 mi (1,374.05 km) |
