| South San Francisco to Sesimbra | 5,684.94 mi (9,149.03 km) |
| South San Francisco to Setubal | 5,689.36 mi (9,156.14 km) |
| South San Francisco to Sever do Vouga | 5,605.87 mi (9,021.78 km) |
| South San Francisco to Silves | 5,770.57 mi (9,286.83 km) |
| South San Francisco to Sines | 5,717.30 mi (9,201.10 km) |
| South San Francisco to Sintra | 5,656.83 mi (9,103.79 km) |
| South San Francisco to Sobrado de Paiva | 5,595.56 mi (9,005.18 km) |
| South San Francisco to Sobral de Monte Agraco | 5,655.93 mi (9,102.34 km) |
| South San Francisco to Soure | 5,627.76 mi (9,057.00 km) |
| South San Francisco to Tabua | 5,636.42 mi (9,070.94 km) |
| South San Francisco to Tavira | 5,805.42 mi (9,342.92 km) |
| South San Francisco to Tomar | 5,657.36 mi (9,104.64 km) |
| South San Francisco to Tondela | 5,626.95 mi (9,055.70 km) |
| South San Francisco to Torre de Moncorvo | 5,630.59 mi (9,061.56 km) |
| South San Francisco to Torres Novas | 5,659.11 mi (9,107.45 km) |
