| Alloa to Santarem | 1,187.71 mi (1,911.43 km) |
| Alloa to Santiago do Cacem | 1,270.89 mi (2,045.31 km) |
| Alloa to Santo Andre | 1,269.03 mi (2,042.31 km) |
| Alloa to Santo Tirso | 1,042.76 mi (1,678.17 km) |
| Alloa to Sao Bras de Alportel | 1,324.14 mi (2,131.00 km) |
| Alloa to Sao Felix da Marinha | 1,064.55 mi (1,713.23 km) |
| Alloa to Sao Joao da Madeira | 1,072.64 mi (1,726.25 km) |
| Alloa to Sao Joao de Ver | 1,069.33 mi (1,720.93 km) |
| Alloa to Sao Mamede de Infesta | 1,053.05 mi (1,694.72 km) |
| Alloa to Sao Pedro do Sul | 1,079.09 mi (1,736.63 km) |
| Alloa to Satao | 1,077.64 mi (1,734.30 km) |
| Alloa to Seia | 1,098.71 mi (1,768.20 km) |
| Alloa to Senhora da Hora | 1,054.47 mi (1,697.01 km) |
| Alloa to Serpa | 1,267.77 mi (2,040.27 km) |
| Alloa to Serta | 1,144.25 mi (1,841.49 km) |
