| Soma to Santarem | 1,929.78 mi (3,105.68 km) |
| Soma to Santiago do Cacem | 1,949.05 mi (3,136.70 km) |
| Soma to Santo Andre | 1,951.14 mi (3,140.06 km) |
| Soma to Santo Tirso | 1,894.17 mi (3,048.37 km) |
| Soma to Sao Bras de Alportel | 1,920.80 mi (3,091.22 km) |
| Soma to Sao Felix da Marinha | 1,905.06 mi (3,065.90 km) |
| Soma to Sao Joao da Madeira | 1,899.51 mi (3,056.96 km) |
| Soma to Sao Joao de Ver | 1,902.14 mi (3,061.20 km) |
| Soma to Sao Mamede de Infesta | 1,902.27 mi (3,061.40 km) |
| Soma to Sao Pedro do Sul | 1,879.17 mi (3,024.23 km) |
| Soma to Satao | 1,862.08 mi (2,996.72 km) |
| Soma to Seia | 1,863.73 mi (2,999.38 km) |
| Soma to Senhora da Hora | 1,905.03 mi (3,065.84 km) |
| Soma to Serpa | 1,891.99 mi (3,044.87 km) |
| Soma to Serta | 1,891.66 mi (3,044.33 km) |
