| Cay to Sesimbra | 2,151.58 mi (3,462.64 km) |
| Cay to Setubal | 2,139.42 mi (3,443.07 km) |
| Cay to Sever do Vouga | 2,082.96 mi (3,352.20 km) |
| Cay to Silves | 2,137.58 mi (3,440.10 km) |
| Cay to Sines | 2,147.01 mi (3,455.28 km) |
| Cay to Sintra | 2,161.32 mi (3,478.31 km) |
| Cay to Sobrado de Paiva | 2,074.65 mi (3,338.83 km) |
| Cay to Sobral de Monte Agraco | 2,145.67 mi (3,453.12 km) |
| Cay to Soure | 2,104.69 mi (3,387.17 km) |
| Cay to Tabua | 2,069.61 mi (3,330.71 km) |
| Cay to Tavira | 2,096.83 mi (3,374.52 km) |
| Cay to Tomar | 2,099.11 mi (3,378.19 km) |
| Cay to Tondela | 2,070.66 mi (3,332.40 km) |
| Cay to Torre de Moncorvo | 2,014.63 mi (3,242.23 km) |
| Cay to Torres Novas | 2,106.97 mi (3,390.84 km) |
