| Horizon West to Sesimbra | 4,131.71 mi (6,649.34 km) |
| Horizon West to Setubal | 4,141.22 mi (6,664.66 km) |
| Horizon West to Sever do Vouga | 4,132.66 mi (6,650.87 km) |
| Horizon West to Silves | 4,188.36 mi (6,740.51 km) |
| Horizon West to Sines | 4,152.37 mi (6,682.59 km) |
| Horizon West to Sintra | 4,110.72 mi (6,615.56 km) |
| Horizon West to Sobrado de Paiva | 4,133.08 mi (6,651.55 km) |
| Horizon West to Sobral de Monte Agraco | 4,119.50 mi (6,629.70 km) |
| Horizon West to Soure | 4,129.77 mi (6,646.23 km) |
| Horizon West to Tabua | 4,155.82 mi (6,688.14 km) |
| Horizon West to Tavira | 4,231.55 mi (6,810.03 km) |
| Horizon West to Tomar | 4,148.21 mi (6,675.89 km) |
| Horizon West to Tondela | 4,150.55 mi (6,679.66 km) |
| Horizon West to Torre de Moncorvo | 4,187.87 mi (6,739.73 km) |
| Horizon West to Torres Novas | 4,144.35 mi (6,669.69 km) |
