| Silea to Santiago do Cacem | 1,197.94 mi (1,927.90 km) |
| Silea to Santo Andre | 1,198.99 mi (1,929.58 km) |
| Silea to Santo Tirso | 1,079.23 mi (1,736.85 km) |
| Silea to Sao Bras de Alportel | 1,194.74 mi (1,922.75 km) |
| Silea to Sao Felix da Marinha | 1,094.92 mi (1,762.11 km) |
| Silea to Sao Joao da Madeira | 1,092.42 mi (1,758.07 km) |
| Silea to Sao Joao de Ver | 1,093.75 mi (1,760.22 km) |
| Silea to Sao Mamede de Infesta | 1,089.22 mi (1,752.93 km) |
| Silea to Sao Pedro do Sul | 1,076.63 mi (1,732.68 km) |
| Silea to Satao | 1,061.34 mi (1,708.06 km) |
| Silea to Seia | 1,069.26 mi (1,720.81 km) |
| Silea to Senhora da Hora | 1,092.04 mi (1,757.47 km) |
| Silea to Serpa | 1,150.58 mi (1,851.69 km) |
| Silea to Serta | 1,107.61 mi (1,782.53 km) |
| Silea to Sesimbra | 1,200.64 mi (1,932.25 km) |
