| Roman to Sesimbra | 1,902.38 mi (3,061.59 km) |
| Roman to Setubal | 1,889.90 mi (3,041.49 km) |
| Roman to Sever do Vouga | 1,794.27 mi (2,887.61 km) |
| Roman to Silves | 1,915.79 mi (3,083.16 km) |
| Roman to Sines | 1,908.27 mi (3,071.06 km) |
| Roman to Sintra | 1,903.92 mi (3,064.07 km) |
| Roman to Sobrado de Paiva | 1,780.66 mi (2,865.70 km) |
| Roman to Sobral de Monte Agraco | 1,885.50 mi (3,034.42 km) |
| Roman to Soure | 1,827.78 mi (2,941.53 km) |
| Roman to Tabua | 1,789.67 mi (2,880.20 km) |
| Roman to Tavira | 1,881.50 mi (3,027.98 km) |
| Roman to Tomar | 1,831.85 mi (2,948.07 km) |
| Roman to Tondela | 1,787.44 mi (2,876.61 km) |
| Roman to Torre de Moncorvo | 1,722.32 mi (2,771.81 km) |
| Roman to Torres Novas | 1,841.65 mi (2,963.84 km) |
