| Smethwick to Sesimbra | 1,029.15 mi (1,656.26 km) |
| Smethwick to Setubal | 1,020.56 mi (1,642.44 km) |
| Smethwick to Sever do Vouga | 866.57 mi (1,394.61 km) |
| Smethwick to Silves | 1,102.94 mi (1,775.01 km) |
| Smethwick to Sines | 1,057.89 mi (1,702.50 km) |
| Smethwick to Sintra | 1,010.46 mi (1,626.17 km) |
| Smethwick to Sobrado de Paiva | 845.25 mi (1,360.30 km) |
| Smethwick to Sobral de Monte Agraco | 992.15 mi (1,596.71 km) |
| Smethwick to Soure | 915.80 mi (1,473.84 km) |
| Smethwick to Tabua | 885.81 mi (1,425.57 km) |
| Smethwick to Tavira | 1,097.45 mi (1,766.17 km) |
| Smethwick to Tomar | 942.03 mi (1,516.06 km) |
| Smethwick to Tondela | 876.31 mi (1,410.28 km) |
| Smethwick to Torre de Moncorvo | 817.02 mi (1,314.87 km) |
| Smethwick to Torres Novas | 952.65 mi (1,533.15 km) |
