| Bletchley to Alenquer | 978.64 mi (1,574.97 km) |
| Bletchley to Alfena | 828.99 mi (1,334.13 km) |
| Bletchley to Alijo | 805.83 mi (1,296.86 km) |
| Bletchley to Aljustrel | 1,037.03 mi (1,668.94 km) |
| Bletchley to Almada | 1,005.21 mi (1,617.73 km) |
| Bletchley to Almargem | 996.66 mi (1,603.97 km) |
| Bletchley to Almeirim | 961.30 mi (1,547.07 km) |
| Bletchley to Amadora | 1,003.25 mi (1,614.58 km) |
| Bletchley to Amarante | 817.82 mi (1,316.15 km) |
| Bletchley to Amares | 801.04 mi (1,289.15 km) |
| Bletchley to Amora | 1,007.92 mi (1,622.09 km) |
| Bletchley to Anadia | 878.37 mi (1,413.60 km) |
| Bletchley to Angra do Heroismo | 1,568.11 mi (2,523.63 km) |
| Bletchley to Ansiao | 911.55 mi (1,467.00 km) |
| Bletchley to Anta | 845.68 mi (1,360.99 km) |
