| Southwater to Sesimbra | 967.85 mi (1,557.60 km) |
| Southwater to Setubal | 958.33 mi (1,542.28 km) |
| Southwater to Sever do Vouga | 807.67 mi (1,299.82 km) |
| Southwater to Silves | 1,035.29 mi (1,666.14 km) |
| Southwater to Sines | 994.11 mi (1,599.87 km) |
| Southwater to Sintra | 951.70 mi (1,531.61 km) |
| Southwater to Sobrado de Paiva | 786.74 mi (1,266.13 km) |
| Southwater to Sobral de Monte Agraco | 932.68 mi (1,501.00 km) |
| Southwater to Soure | 856.35 mi (1,378.16 km) |
| Southwater to Tabua | 823.62 mi (1,325.49 km) |
| Southwater to Tavira | 1,025.66 mi (1,650.65 km) |
| Southwater to Tomar | 879.96 mi (1,416.17 km) |
| Southwater to Tondela | 814.93 mi (1,311.51 km) |
| Southwater to Torre de Moncorvo | 751.69 mi (1,209.73 km) |
| Southwater to Torres Novas | 890.89 mi (1,433.75 km) |
