| Severn to Alenquer | 3,538.58 mi (5,694.79 km) |
| Severn to Alfena | 3,505.27 mi (5,641.19 km) |
| Severn to Alijo | 3,554.96 mi (5,721.16 km) |
| Severn to Aljustrel | 3,612.03 mi (5,813.00 km) |
| Severn to Almada | 3,541.60 mi (5,699.65 km) |
| Severn to Almargem | 3,531.46 mi (5,683.33 km) |
| Severn to Almeirim | 3,554.26 mi (5,720.03 km) |
| Severn to Amadora | 3,536.44 mi (5,691.35 km) |
| Severn to Amarante | 3,526.69 mi (5,675.66 km) |
| Severn to Amares | 3,504.96 mi (5,640.69 km) |
| Severn to Amora | 3,545.02 mi (5,705.16 km) |
| Severn to Anadia | 3,530.46 mi (5,681.73 km) |
| Severn to Angra do Heroismo | 2,626.98 mi (4,227.72 km) |
| Severn to Ansiao | 3,544.06 mi (5,703.62 km) |
| Severn to Anta | 3,506.33 mi (5,642.89 km) |
