| Westlake to Sesimbra | 3,745.18 mi (6,027.29 km) |
| Westlake to Setubal | 3,752.45 mi (6,038.98 km) |
| Westlake to Sever do Vouga | 3,707.00 mi (5,965.84 km) |
| Westlake to Silves | 3,818.33 mi (6,145.00 km) |
| Westlake to Sines | 3,772.41 mi (6,071.10 km) |
| Westlake to Sintra | 3,719.93 mi (5,986.65 km) |
| Westlake to Sobrado de Paiva | 3,702.34 mi (5,958.34 km) |
| Westlake to Sobral de Monte Agraco | 3,724.17 mi (5,993.47 km) |
| Westlake to Soure | 3,715.91 mi (5,980.18 km) |
| Westlake to Tabua | 3,734.48 mi (6,010.07 km) |
| Westlake to Tavira | 3,858.63 mi (6,209.86 km) |
| Westlake to Tomar | 3,740.40 mi (6,019.59 km) |
| Westlake to Tondela | 3,727.03 mi (5,998.07 km) |
| Westlake to Torre de Moncorvo | 3,749.79 mi (6,034.70 km) |
| Westlake to Torres Novas | 3,739.15 mi (6,017.58 km) |
