| Southend to Alenquer | 982.60 mi (1,581.34 km) |
| Southend to Alfena | 835.97 mi (1,345.36 km) |
| Southend to Alijo | 808.72 mi (1,301.51 km) |
| Southend to Aljustrel | 1,036.05 mi (1,667.37 km) |
| Southend to Almada | 1,008.96 mi (1,623.76 km) |
| Southend to Almargem | 1,001.11 mi (1,611.13 km) |
| Southend to Almeirim | 964.14 mi (1,551.63 km) |
| Southend to Amadora | 1,007.36 mi (1,621.19 km) |
| Southend to Amarante | 823.07 mi (1,324.61 km) |
| Southend to Amares | 808.24 mi (1,300.73 km) |
| Southend to Amora | 1,011.43 mi (1,627.74 km) |
| Southend to Anadia | 883.08 mi (1,421.19 km) |
| Southend to Angra do Heroismo | 1,611.93 mi (2,594.16 km) |
| Southend to Ansiao | 915.16 mi (1,472.80 km) |
| Southend to Anta | 852.47 mi (1,371.91 km) |
