| Gateway to Sesimbra | 4,204.19 mi (6,765.99 km) |
| Gateway to Setubal | 4,213.95 mi (6,781.70 km) |
| Gateway to Sever do Vouga | 4,210.10 mi (6,775.51 km) |
| Gateway to Silves | 4,258.48 mi (6,853.36 km) |
| Gateway to Sines | 4,223.92 mi (6,797.74 km) |
| Gateway to Sintra | 4,183.83 mi (6,733.22 km) |
| Gateway to Sobrado de Paiva | 4,211.16 mi (6,777.21 km) |
| Gateway to Sobral de Monte Agraco | 4,193.16 mi (6,748.23 km) |
| Gateway to Soure | 4,205.74 mi (6,768.48 km) |
| Gateway to Tabua | 4,232.62 mi (6,811.75 km) |
| Gateway to Tavira | 4,301.86 mi (6,923.17 km) |
| Gateway to Tomar | 4,223.33 mi (6,796.79 km) |
| Gateway to Tondela | 4,227.65 mi (6,803.74 km) |
| Gateway to Torre de Moncorvo | 4,266.67 mi (6,866.54 km) |
| Gateway to Torres Novas | 4,219.16 mi (6,790.08 km) |
