| Gulf Shores to Sesimbra | 4,383.27 mi (7,054.20 km) |
| Gulf Shores to Setubal | 4,392.07 mi (7,068.35 km) |
| Gulf Shores to Sever do Vouga | 4,370.15 mi (7,033.07 km) |
| Gulf Shores to Silves | 4,446.00 mi (7,155.14 km) |
| Gulf Shores to Sines | 4,406.35 mi (7,091.34 km) |
| Gulf Shores to Sintra | 4,360.64 mi (7,017.78 km) |
| Gulf Shores to Sobrado de Paiva | 4,368.68 mi (7,030.71 km) |
| Gulf Shores to Sobral de Monte Agraco | 4,367.89 mi (7,029.43 km) |
| Gulf Shores to Soure | 4,371.58 mi (7,035.38 km) |
| Gulf Shores to Tabua | 4,395.06 mi (7,073.17 km) |
| Gulf Shores to Tavira | 4,488.49 mi (7,223.53 km) |
| Gulf Shores to Tomar | 4,392.33 mi (7,068.77 km) |
| Gulf Shores to Tondela | 4,388.95 mi (7,063.33 km) |
| Gulf Shores to Torre de Moncorvo | 4,421.08 mi (7,115.04 km) |
| Gulf Shores to Torres Novas | 4,389.39 mi (7,064.03 km) |
