| Middle Island to Santarem | 3,320.81 mi (5,344.33 km) |
| Middle Island to Santiago do Cacem | 3,354.63 mi (5,398.76 km) |
| Middle Island to Santo Andre | 3,351.20 mi (5,393.23 km) |
| Middle Island to Santo Tirso | 3,275.04 mi (5,270.66 km) |
| Middle Island to Sao Bras de Alportel | 3,420.58 mi (5,504.89 km) |
| Middle Island to Sao Felix da Marinha | 3,275.30 mi (5,271.09 km) |
| Middle Island to Sao Joao da Madeira | 3,285.37 mi (5,287.29 km) |
| Middle Island to Sao Joao de Ver | 3,280.88 mi (5,280.06 km) |
| Middle Island to Sao Mamede de Infesta | 3,272.08 mi (5,265.91 km) |
| Middle Island to Sao Pedro do Sul | 3,309.65 mi (5,326.37 km) |
| Middle Island to Satao | 3,326.19 mi (5,352.99 km) |
| Middle Island to Seia | 3,336.08 mi (5,368.91 km) |
| Middle Island to Senhora da Hora | 3,269.99 mi (5,262.54 km) |
| Middle Island to Serpa | 3,411.11 mi (5,489.65 km) |
| Middle Island to Serta | 3,333.78 mi (5,365.20 km) |
