| Whitburn to Sesimbra | 1,229.15 mi (1,978.12 km) |
| Whitburn to Setubal | 1,221.75 mi (1,966.22 km) |
| Whitburn to Sever do Vouga | 1,066.59 mi (1,716.51 km) |
| Whitburn to Silves | 1,309.20 mi (2,106.95 km) |
| Whitburn to Sines | 1,260.32 mi (2,028.28 km) |
| Whitburn to Sintra | 1,207.78 mi (1,943.73 km) |
| Whitburn to Sobrado de Paiva | 1,045.27 mi (1,682.20 km) |
| Whitburn to Sobral de Monte Agraco | 1,190.59 mi (1,916.07 km) |
| Whitburn to Soure | 1,115.51 mi (1,795.25 km) |
| Whitburn to Tabua | 1,089.10 mi (1,752.74 km) |
| Whitburn to Tavira | 1,308.30 mi (2,105.50 km) |
| Whitburn to Tomar | 1,144.23 mi (1,841.46 km) |
| Whitburn to Tondela | 1,078.88 mi (1,736.29 km) |
| Whitburn to Torre de Moncorvo | 1,024.93 mi (1,649.46 km) |
| Whitburn to Torres Novas | 1,154.33 mi (1,857.72 km) |
