| Alvin to Sesimbra | 4,801.20 mi (7,726.79 km) |
| Alvin to Setubal | 4,809.52 mi (7,740.17 km) |
| Alvin to Sever do Vouga | 4,779.17 mi (7,691.33 km) |
| Alvin to Silves | 4,867.42 mi (7,833.36 km) |
| Alvin to Sines | 4,825.69 mi (7,766.20 km) |
| Alvin to Sintra | 4,777.64 mi (7,688.87 km) |
| Alvin to Sobrado de Paiva | 4,776.47 mi (7,686.98 km) |
| Alvin to Sobral de Monte Agraco | 4,783.89 mi (7,698.93 km) |
| Alvin to Soure | 4,783.39 mi (7,698.12 km) |
| Alvin to Tabua | 4,805.12 mi (7,733.10 km) |
| Alvin to Tavira | 4,909.35 mi (7,900.84 km) |
| Alvin to Tomar | 4,805.55 mi (7,733.78 km) |
| Alvin to Tondela | 4,798.48 mi (7,722.41 km) |
| Alvin to Torre de Moncorvo | 4,827.05 mi (7,768.39 km) |
| Alvin to Torres Novas | 4,803.19 mi (7,730.00 km) |
