| Alsip to Sesimbra | 4,013.43 mi (6,458.99 km) |
| Alsip to Setubal | 4,020.27 mi (6,470.00 km) |
| Alsip to Sever do Vouga | 3,968.42 mi (6,386.55 km) |
| Alsip to Silves | 4,088.90 mi (6,580.44 km) |
| Alsip to Sines | 4,041.60 mi (6,504.33 km) |
| Alsip to Sintra | 3,987.60 mi (6,417.42 km) |
| Alsip to Sobrado de Paiva | 3,962.81 mi (6,377.53 km) |
| Alsip to Sobral de Monte Agraco | 3,991.02 mi (6,422.93 km) |
| Alsip to Soure | 3,979.49 mi (6,404.37 km) |
| Alsip to Tabua | 3,996.55 mi (6,431.82 km) |
| Alsip to Tavira | 4,128.50 mi (6,644.17 km) |
| Alsip to Tomar | 4,004.94 mi (6,445.32 km) |
| Alsip to Tondela | 3,988.72 mi (6,419.23 km) |
| Alsip to Torre de Moncorvo | 4,008.50 mi (6,451.06 km) |
| Alsip to Torres Novas | 4,004.16 mi (6,444.08 km) |
