| Swallownest to Santarem | 1,036.16 mi (1,667.53 km) |
| Swallownest to Santiago do Cacem | 1,116.98 mi (1,797.60 km) |
| Swallownest to Santo Andre | 1,115.52 mi (1,795.26 km) |
| Swallownest to Santo Tirso | 894.76 mi (1,439.98 km) |
| Swallownest to Sao Bras de Alportel | 1,163.48 mi (1,872.44 km) |
| Swallownest to Sao Felix da Marinha | 916.96 mi (1,475.71 km) |
| Swallownest to Sao Joao da Madeira | 923.62 mi (1,486.42 km) |
| Swallownest to Sao Joao de Ver | 920.95 mi (1,482.13 km) |
| Swallownest to Sao Mamede de Infesta | 905.75 mi (1,457.66 km) |
| Swallownest to Sao Pedro do Sul | 926.39 mi (1,490.89 km) |
| Swallownest to Satao | 922.34 mi (1,484.37 km) |
| Swallownest to Seia | 942.50 mi (1,516.80 km) |
| Swallownest to Senhora da Hora | 907.54 mi (1,460.55 km) |
| Swallownest to Serpa | 1,106.45 mi (1,780.65 km) |
| Swallownest to Serta | 989.66 mi (1,592.71 km) |
