| Southend to Santarem | 963.57 mi (1,550.72 km) |
| Southend to Santiago do Cacem | 1,040.73 mi (1,674.90 km) |
| Southend to Santo Andre | 1,039.69 mi (1,673.21 km) |
| Southend to Santo Tirso | 828.73 mi (1,333.72 km) |
| Southend to Sao Bras de Alportel | 1,079.97 mi (1,738.04 km) |
| Southend to Sao Felix da Marinha | 850.79 mi (1,369.22 km) |
| Southend to Sao Joao da Madeira | 855.87 mi (1,377.39 km) |
| Southend to Sao Joao de Ver | 853.90 mi (1,374.23 km) |
| Southend to Sao Mamede de Infesta | 840.13 mi (1,352.06 km) |
| Southend to Sao Pedro do Sul | 854.93 mi (1,375.88 km) |
| Southend to Satao | 848.36 mi (1,365.30 km) |
| Southend to Seia | 867.15 mi (1,395.55 km) |
| Southend to Senhora da Hora | 842.25 mi (1,355.47 km) |
| Southend to Serpa | 1,023.07 mi (1,646.47 km) |
| Southend to Serta | 914.97 mi (1,472.51 km) |
