| Ainring to Santiago do Cacem | 1,280.84 mi (2,061.31 km) |
| Ainring to Santo Andre | 1,281.52 mi (2,062.41 km) |
| Ainring to Santo Tirso | 1,140.14 mi (1,834.89 km) |
| Ainring to Sao Bras de Alportel | 1,285.32 mi (2,068.53 km) |
| Ainring to Sao Felix da Marinha | 1,157.70 mi (1,863.13 km) |
| Ainring to Sao Joao da Madeira | 1,156.64 mi (1,861.43 km) |
| Ainring to Sao Joao de Ver | 1,157.35 mi (1,862.58 km) |
| Ainring to Sao Mamede de Infesta | 1,150.78 mi (1,852.01 km) |
| Ainring to Sao Pedro do Sul | 1,143.29 mi (1,839.94 km) |
| Ainring to Satao | 1,129.17 mi (1,817.23 km) |
| Ainring to Seia | 1,139.54 mi (1,833.91 km) |
| Ainring to Senhora da Hora | 1,153.56 mi (1,856.47 km) |
| Ainring to Serpa | 1,237.66 mi (1,991.83 km) |
| Ainring to Serta | 1,181.07 mi (1,900.75 km) |
| Ainring to Sesimbra | 1,279.66 mi (2,059.42 km) |
