| Grays to Sesimbra | 1,009.61 mi (1,624.81 km) |
| Grays to Setubal | 1,000.01 mi (1,609.36 km) |
| Grays to Sever do Vouga | 849.75 mi (1,367.54 km) |
| Grays to Silves | 1,076.32 mi (1,732.17 km) |
| Grays to Sines | 1,035.61 mi (1,666.66 km) |
| Grays to Sintra | 993.70 mi (1,599.20 km) |
| Grays to Sobrado de Paiva | 828.86 mi (1,333.92 km) |
| Grays to Sobral de Monte Agraco | 974.63 mi (1,568.52 km) |
| Grays to Soure | 898.35 mi (1,445.75 km) |
| Grays to Tabua | 865.40 mi (1,392.73 km) |
| Grays to Tavira | 1,066.14 mi (1,715.78 km) |
| Grays to Tomar | 921.71 mi (1,483.35 km) |
| Grays to Tondela | 856.80 mi (1,378.88 km) |
| Grays to Torre de Moncorvo | 793.22 mi (1,276.57 km) |
| Grays to Torres Novas | 932.66 mi (1,500.98 km) |
