| Alcoa to Sesimbra | 4,009.42 mi (6,452.54 km) |
| Alcoa to Setubal | 4,017.60 mi (6,465.71 km) |
| Alcoa to Sever do Vouga | 3,985.92 mi (6,414.72 km) |
| Alcoa to Silves | 4,076.71 mi (6,560.83 km) |
| Alcoa to Sines | 4,034.30 mi (6,492.58 km) |
| Alcoa to Sintra | 3,985.63 mi (6,414.25 km) |
| Alcoa to Sobrado de Paiva | 3,983.15 mi (6,410.26 km) |
| Alcoa to Sobral de Monte Agraco | 3,991.64 mi (6,423.93 km) |
| Alcoa to Soure | 3,990.41 mi (6,421.95 km) |
| Alcoa to Tabua | 4,011.95 mi (6,456.62 km) |
| Alcoa to Tavira | 4,118.42 mi (6,627.95 km) |
| Alcoa to Tomar | 4,012.76 mi (6,457.92 km) |
| Alcoa to Tondela | 4,005.27 mi (6,445.86 km) |
| Alcoa to Torre de Moncorvo | 4,033.68 mi (6,491.58 km) |
| Alcoa to Torres Novas | 4,010.51 mi (6,454.29 km) |
