| On Top of the World Designated Place to Sesimbra | 4,143.91 mi (6,668.98 km) |
| On Top of the World Designated Place to Setubal | 4,153.28 mi (6,684.06 km) |
| On Top of the World Designated Place to Sever do Vouga | 4,141.98 mi (6,665.88 km) |
| On Top of the World Designated Place to Silves | 4,201.86 mi (6,762.23 km) |
| On Top of the World Designated Place to Sines | 4,165.08 mi (6,703.05 km) |
| On Top of the World Designated Place to Sintra | 4,122.56 mi (6,634.62 km) |
| On Top of the World Designated Place to Sobrado de Paiva | 4,142.03 mi (6,665.95 km) |
| On Top of the World Designated Place to Sobral de Monte Agraco | 4,131.04 mi (6,648.26 km) |
| On Top of the World Designated Place to Soure | 4,139.97 mi (6,662.64 km) |
| On Top of the World Designated Place to Tabua | 4,165.51 mi (6,703.74 km) |
| On Top of the World Designated Place to Tavira | 4,244.93 mi (6,831.55 km) |
| On Top of the World Designated Place to Tomar | 4,158.89 mi (6,693.08 km) |
| On Top of the World Designated Place to Tondela | 4,160.07 mi (6,694.98 km) |
| On Top of the World Designated Place to Torre de Moncorvo | 4,196.38 mi (6,753.42 km) |
| On Top of the World Designated Place to Torres Novas | 4,155.21 mi (6,687.17 km) |
