| San Diego to Sesimbra | 5,688.42 mi (9,154.64 km) |
| San Diego to Setubal | 5,694.15 mi (9,163.84 km) |
| San Diego to Sever do Vouga | 5,626.10 mi (9,054.33 km) |
| San Diego to Silves | 5,769.08 mi (9,284.44 km) |
| San Diego to Sines | 5,718.74 mi (9,203.42 km) |
| San Diego to Sintra | 5,661.35 mi (9,111.06 km) |
| San Diego to Sobrado de Paiva | 5,617.99 mi (9,041.28 km) |
| San Diego to Sobral de Monte Agraco | 5,662.70 mi (9,113.23 km) |
| San Diego to Soure | 5,642.81 mi (9,081.22 km) |
| San Diego to Tabua | 5,655.68 mi (9,101.93 km) |
| San Diego to Tavira | 5,806.70 mi (9,344.98 km) |
| San Diego to Tomar | 5,670.52 mi (9,125.83 km) |
| San Diego to Tondela | 5,646.95 mi (9,087.88 km) |
| San Diego to Torre de Moncorvo | 5,658.35 mi (9,106.24 km) |
| San Diego to Torres Novas | 5,671.01 mi (9,126.61 km) |
