| Seaside to Sesimbra | 5,709.85 mi (9,189.11 km) |
| Seaside to Setubal | 5,714.49 mi (9,196.58 km) |
| Seaside to Sever do Vouga | 5,633.48 mi (9,066.21 km) |
| Seaside to Silves | 5,794.72 mi (9,325.70 km) |
| Seaside to Sines | 5,741.89 mi (9,240.68 km) |
| Seaside to Sintra | 5,681.88 mi (9,144.11 km) |
| Seaside to Sobrado de Paiva | 5,623.52 mi (9,050.18 km) |
| Seaside to Sobral de Monte Agraco | 5,681.35 mi (9,143.26 km) |
| Seaside to Soure | 5,654.53 mi (9,100.09 km) |
| Seaside to Tabua | 5,663.89 mi (9,115.15 km) |
| Seaside to Tavira | 5,830.07 mi (9,382.59 km) |
| Seaside to Tomar | 5,683.85 mi (9,147.27 km) |
| Seaside to Tondela | 5,654.54 mi (9,100.10 km) |
| Seaside to Torre de Moncorvo | 5,659.46 mi (9,108.02 km) |
| Seaside to Torres Novas | 5,685.39 mi (9,149.75 km) |
