| Preston to Sesimbra | 1,100.61 mi (1,771.26 km) |
| Preston to Setubal | 1,092.55 mi (1,758.29 km) |
| Preston to Sever do Vouga | 937.68 mi (1,509.05 km) |
| Preston to Silves | 1,177.35 mi (1,894.77 km) |
| Preston to Sines | 1,130.50 mi (1,819.36 km) |
| Preston to Sintra | 1,080.68 mi (1,739.18 km) |
| Preston to Sobrado de Paiva | 916.30 mi (1,474.65 km) |
| Preston to Sobral de Monte Agraco | 1,062.84 mi (1,710.47 km) |
| Preston to Soure | 986.89 mi (1,588.25 km) |
| Preston to Tabua | 958.47 mi (1,542.51 km) |
| Preston to Tavira | 1,173.94 mi (1,889.27 km) |
| Preston to Tomar | 1,014.32 mi (1,632.39 km) |
| Preston to Tondela | 948.62 mi (1,526.65 km) |
| Preston to Torre de Moncorvo | 891.66 mi (1,434.99 km) |
| Preston to Torres Novas | 1,024.73 mi (1,649.14 km) |
