| Valley Stream to Sesimbra | 3,365.19 mi (5,415.76 km) |
| Valley Stream to Setubal | 3,373.12 mi (5,428.51 km) |
| Valley Stream to Sever do Vouga | 3,338.13 mi (5,372.21 km) |
| Valley Stream to Silves | 3,434.37 mi (5,527.09 km) |
| Valley Stream to Sines | 3,390.80 mi (5,456.97 km) |
| Valley Stream to Sintra | 3,340.96 mi (5,376.76 km) |
| Valley Stream to Sobrado de Paiva | 3,335.02 mi (5,367.20 km) |
| Valley Stream to Sobral de Monte Agraco | 3,346.49 mi (5,385.66 km) |
| Valley Stream to Soure | 3,343.54 mi (5,380.90 km) |
| Valley Stream to Tabua | 3,364.47 mi (5,414.59 km) |
| Valley Stream to Tavira | 3,475.66 mi (5,593.53 km) |
| Valley Stream to Tomar | 3,366.39 mi (5,417.69 km) |
| Valley Stream to Tondela | 3,357.63 mi (5,403.58 km) |
| Valley Stream to Torre de Moncorvo | 3,385.08 mi (5,447.75 km) |
| Valley Stream to Torres Novas | 3,364.38 mi (5,414.44 km) |
