| Southport to Sesimbra | 1,089.38 mi (1,753.19 km) |
| Southport to Setubal | 1,081.40 mi (1,740.35 km) |
| Southport to Sever do Vouga | 926.45 mi (1,490.98 km) |
| Southport to Silves | 1,166.60 mi (1,877.45 km) |
| Southport to Sines | 1,119.45 mi (1,801.58 km) |
| Southport to Sintra | 1,069.26 mi (1,720.81 km) |
| Southport to Sobrado de Paiva | 905.07 mi (1,456.57 km) |
| Southport to Sobral de Monte Agraco | 1,051.50 mi (1,692.22 km) |
| Southport to Soure | 975.64 mi (1,570.15 km) |
| Southport to Tabua | 947.48 mi (1,524.82 km) |
| Southport to Tavira | 1,163.57 mi (1,872.58 km) |
| Southport to Tomar | 1,003.25 mi (1,614.57 km) |
| Southport to Tondela | 937.57 mi (1,508.88 km) |
| Southport to Torre de Moncorvo | 881.04 mi (1,417.89 km) |
| Southport to Torres Novas | 1,013.62 mi (1,631.26 km) |
