| Preston to Santarem | 1,042.28 mi (1,677.39 km) |
| Preston to Santiago do Cacem | 1,124.33 mi (1,809.43 km) |
| Preston to Santo Andre | 1,122.69 mi (1,806.79 km) |
| Preston to Santo Tirso | 898.94 mi (1,446.71 km) |
| Preston to Sao Bras de Alportel | 1,173.97 mi (1,889.33 km) |
| Preston to Sao Felix da Marinha | 921.03 mi (1,482.26 km) |
| Preston to Sao Joao da Madeira | 928.34 mi (1,494.01 km) |
| Preston to Sao Joao de Ver | 925.38 mi (1,489.26 km) |
| Preston to Sao Mamede de Infesta | 909.66 mi (1,463.96 km) |
| Preston to Sao Pedro do Sul | 932.74 mi (1,501.11 km) |
| Preston to Satao | 929.85 mi (1,496.46 km) |
| Preston to Seia | 950.48 mi (1,529.65 km) |
| Preston to Senhora da Hora | 911.30 mi (1,466.60 km) |
| Preston to Serpa | 1,117.15 mi (1,797.87 km) |
| Preston to Serta | 997.03 mi (1,604.56 km) |
