| Opera to Setubal | 1,041.00 mi (1,675.33 km) |
| Opera to Sever do Vouga | 941.66 mi (1,515.46 km) |
| Opera to Silves | 1,073.93 mi (1,728.33 km) |
| Opera to Sines | 1,061.60 mi (1,708.48 km) |
| Opera to Sintra | 1,053.50 mi (1,695.45 km) |
| Opera to Sobrado de Paiva | 928.10 mi (1,493.63 km) |
| Opera to Sobral de Monte Agraco | 1,034.79 mi (1,665.33 km) |
| Opera to Soure | 975.55 mi (1,570.00 km) |
| Opera to Tabua | 937.36 mi (1,508.53 km) |
| Opera to Tavira | 1,042.63 mi (1,677.96 km) |
| Opera to Tomar | 980.53 mi (1,578.00 km) |
| Opera to Tondela | 934.97 mi (1,504.68 km) |
| Opera to Torre de Moncorvo | 869.71 mi (1,399.66 km) |
| Opera to Torres Novas | 990.51 mi (1,594.07 km) |
| Opera to Torres Vedras | 1,037.75 mi (1,670.10 km) |
