| Orbetello to Setubal | 1,087.80 mi (1,750.65 km) |
| Orbetello to Sever do Vouga | 1,016.38 mi (1,635.71 km) |
| Orbetello to Silves | 1,101.24 mi (1,772.27 km) |
| Orbetello to Sines | 1,100.95 mi (1,771.80 km) |
| Orbetello to Sintra | 1,106.32 mi (1,780.45 km) |
| Orbetello to Sobrado de Paiva | 1,006.78 mi (1,620.25 km) |
| Orbetello to Sobral de Monte Agraco | 1,089.32 mi (1,753.08 km) |
| Orbetello to Soure | 1,041.68 mi (1,676.42 km) |
| Orbetello to Tabua | 1,005.33 mi (1,617.92 km) |
| Orbetello to Tavira | 1,064.19 mi (1,712.65 km) |
| Orbetello to Tomar | 1,039.44 mi (1,672.81 km) |
| Orbetello to Tondela | 1,005.43 mi (1,618.08 km) |
| Orbetello to Torre de Moncorvo | 946.67 mi (1,523.52 km) |
| Orbetello to Torres Novas | 1,048.13 mi (1,686.79 km) |
| Orbetello to Torres Vedras | 1,093.67 mi (1,760.10 km) |
