| Sion to Santarem | 944.80 mi (1,520.50 km) |
| Sion to Santiago do Cacem | 997.08 mi (1,604.65 km) |
| Sion to Santo Andre | 997.70 mi (1,605.65 km) |
| Sion to Santo Tirso | 857.38 mi (1,379.81 km) |
| Sion to Sao Bras de Alportel | 1,003.47 mi (1,614.92 km) |
| Sion to Sao Felix da Marinha | 874.53 mi (1,407.42 km) |
| Sion to Sao Joao da Madeira | 873.18 mi (1,405.25 km) |
| Sion to Sao Joao de Ver | 874.01 mi (1,406.59 km) |
| Sion to Sao Mamede de Infesta | 867.88 mi (1,396.71 km) |
| Sion to Sao Pedro do Sul | 859.41 mi (1,383.09 km) |
| Sion to Satao | 845.14 mi (1,360.11 km) |
| Sion to Seia | 855.28 mi (1,376.44 km) |
| Sion to Senhora da Hora | 870.66 mi (1,401.20 km) |
| Sion to Serpa | 954.86 mi (1,536.69 km) |
| Sion to Serta | 896.68 mi (1,443.06 km) |
