| Shoreline to Sesimbra | 5,207.95 mi (8,381.38 km) |
| Shoreline to Setubal | 5,210.80 mi (8,385.97 km) |
| Shoreline to Sever do Vouga | 5,111.15 mi (8,225.60 km) |
| Shoreline to Silves | 5,297.93 mi (8,526.19 km) |
| Shoreline to Sines | 5,242.12 mi (8,436.38 km) |
| Shoreline to Sintra | 5,179.10 mi (8,334.95 km) |
| Shoreline to Sobrado de Paiva | 5,098.55 mi (8,205.32 km) |
| Shoreline to Sobral de Monte Agraco | 5,175.63 mi (8,329.36 km) |
| Shoreline to Soure | 5,138.49 mi (8,269.61 km) |
| Shoreline to Tabua | 5,142.30 mi (8,275.73 km) |
| Shoreline to Tavira | 5,329.03 mi (8,576.24 km) |
| Shoreline to Tomar | 5,169.77 mi (8,319.94 km) |
| Shoreline to Tondela | 5,132.16 mi (8,259.41 km) |
| Shoreline to Torre de Moncorvo | 5,127.16 mi (8,251.36 km) |
| Shoreline to Torres Novas | 5,172.91 mi (8,325.00 km) |
