| Somerset to Alenquer | 3,395.18 mi (5,464.01 km) |
| Somerset to Alfena | 3,359.84 mi (5,407.15 km) |
| Somerset to Alijo | 3,409.25 mi (5,486.66 km) |
| Somerset to Aljustrel | 3,469.42 mi (5,583.49 km) |
| Somerset to Almada | 3,398.59 mi (5,469.50 km) |
| Somerset to Almargem | 3,388.33 mi (5,452.98 km) |
| Somerset to Almeirim | 3,410.60 mi (5,488.82 km) |
| Somerset to Amadora | 3,393.41 mi (5,461.16 km) |
| Somerset to Amarante | 3,381.13 mi (5,441.40 km) |
| Somerset to Amares | 3,359.19 mi (5,406.10 km) |
| Somerset to Amora | 3,402.05 mi (5,475.07 km) |
| Somerset to Anadia | 3,385.67 mi (5,448.70 km) |
| Somerset to Angra do Heroismo | 2,490.85 mi (4,008.64 km) |
| Somerset to Ansiao | 3,399.71 mi (5,471.30 km) |
| Somerset to Anta | 3,361.11 mi (5,409.18 km) |
