| San Luis to Sesimbra | 5,597.40 mi (9,008.15 km) |
| San Luis to Setubal | 5,603.43 mi (9,017.86 km) |
| San Luis to Sever do Vouga | 5,539.38 mi (8,914.76 km) |
| San Luis to Silves | 5,676.69 mi (9,135.74 km) |
| San Luis to Sines | 5,627.16 mi (9,056.04 km) |
| San Luis to Sintra | 5,570.63 mi (8,965.07 km) |
| San Luis to Sobrado de Paiva | 5,531.84 mi (8,902.64 km) |
| San Luis to Sobral de Monte Agraco | 5,572.54 mi (8,968.13 km) |
| San Luis to Soure | 5,554.75 mi (8,939.51 km) |
| San Luis to Tabua | 5,568.65 mi (8,961.88 km) |
| San Luis to Tavira | 5,714.91 mi (9,197.26 km) |
| San Luis to Tomar | 5,581.94 mi (8,983.26 km) |
| San Luis to Tondela | 5,560.12 mi (8,948.16 km) |
| San Luis to Torre de Moncorvo | 5,573.49 mi (8,969.66 km) |
| San Luis to Torres Novas | 5,582.10 mi (8,983.53 km) |
