| Siggiewi to Setubal | 1,293.83 mi (2,082.21 km) |
| Siggiewi to Sever do Vouga | 1,277.69 mi (2,056.25 km) |
| Siggiewi to Silves | 1,270.54 mi (2,044.73 km) |
| Siggiewi to Sines | 1,292.22 mi (2,079.62 km) |
| Siggiewi to Sintra | 1,320.96 mi (2,125.87 km) |
| Siggiewi to Sobrado de Paiva | 1,275.56 mi (2,052.81 km) |
| Siggiewi to Sobral de Monte Agraco | 1,308.74 mi (2,106.21 km) |
| Siggiewi to Soure | 1,286.04 mi (2,069.69 km) |
| Siggiewi to Tabua | 1,256.75 mi (2,022.54 km) |
| Siggiewi to Tavira | 1,227.37 mi (1,975.26 km) |
| Siggiewi to Tomar | 1,271.84 mi (2,046.83 km) |
| Siggiewi to Tondela | 1,260.95 mi (2,029.31 km) |
| Siggiewi to Torre de Moncorvo | 1,219.36 mi (1,962.38 km) |
| Siggiewi to Torres Novas | 1,277.36 mi (2,055.71 km) |
| Siggiewi to Torres Vedras | 1,315.06 mi (2,116.39 km) |
