| South Valley to Santarem | 5,117.11 mi (8,235.19 km) |
| South Valley to Santiago do Cacem | 5,161.82 mi (8,307.15 km) |
| South Valley to Santo Andre | 5,158.29 mi (8,301.46 km) |
| South Valley to Santo Tirso | 5,049.41 mi (8,126.24 km) |
| South Valley to Sao Bras de Alportel | 5,231.97 mi (8,420.04 km) |
| South Valley to Sao Felix da Marinha | 5,053.50 mi (8,132.83 km) |
| South Valley to Sao Joao da Madeira | 5,064.45 mi (8,150.45 km) |
| South Valley to Sao Joao de Ver | 5,059.62 mi (8,142.67 km) |
| South Valley to Sao Mamede de Infesta | 5,048.43 mi (8,124.66 km) |
| South Valley to Sao Pedro do Sul | 5,088.55 mi (8,189.23 km) |
| South Valley to Satao | 5,103.88 mi (8,213.91 km) |
| South Valley to Seia | 5,116.86 mi (8,234.79 km) |
| South Valley to Senhora da Hora | 5,046.70 mi (8,121.87 km) |
| South Valley to Serpa | 5,214.80 mi (8,392.41 km) |
| South Valley to Serta | 5,122.38 mi (8,243.68 km) |
