| Alpen to Setubal | 1,169.20 mi (1,881.65 km) |
| Alpen to Sever do Vouga | 1,029.74 mi (1,657.21 km) |
| Alpen to Silves | 1,233.18 mi (1,984.62 km) |
| Alpen to Sines | 1,200.97 mi (1,932.77 km) |
| Alpen to Sintra | 1,169.08 mi (1,881.46 km) |
| Alpen to Sobrado de Paiva | 1,010.29 mi (1,625.90 km) |
| Alpen to Sobral de Monte Agraco | 1,149.39 mi (1,849.76 km) |
| Alpen to Soure | 1,075.65 mi (1,731.09 km) |
| Alpen to Tabua | 1,039.32 mi (1,672.62 km) |
| Alpen to Tavira | 1,215.05 mi (1,955.43 km) |
| Alpen to Tomar | 1,093.76 mi (1,760.24 km) |
| Alpen to Tondela | 1,032.43 mi (1,661.53 km) |
| Alpen to Torre de Moncorvo | 964.77 mi (1,552.65 km) |
| Alpen to Torres Novas | 1,104.87 mi (1,778.11 km) |
| Alpen to Torres Vedras | 1,149.36 mi (1,849.72 km) |
