| Southend to Arcos de Valdevez | 796.48 mi (1,281.81 km) |
| Southend to Arcozelo | 849.89 mi (1,367.77 km) |
| Southend to Arganil | 887.75 mi (1,428.70 km) |
| Southend to Arouca | 847.77 mi (1,364.35 km) |
| Southend to Arruda dos Vinhos | 987.91 mi (1,589.89 km) |
| Southend to Aveiro | 875.93 mi (1,409.68 km) |
| Southend to Aver-o-Mar | 832.05 mi (1,339.06 km) |
| Southend to Aves | 818.14 mi (1,316.66 km) |
| Southend to Azambuja | 978.13 mi (1,574.15 km) |
| Southend to Baiao | 828.42 mi (1,333.22 km) |
| Southend to Barcelos | 821.39 mi (1,321.90 km) |
| Southend to Barreiro | 1,007.73 mi (1,621.78 km) |
| Southend to Batalha | 940.21 mi (1,513.12 km) |
| Southend to Beja | 1,022.89 mi (1,646.18 km) |
| Southend to Belas | 1,005.61 mi (1,618.37 km) |
