| Naples to Setubal | 1,237.28 mi (1,991.21 km) |
| Naples to Sever do Vouga | 1,179.94 mi (1,898.93 km) |
| Naples to Silves | 1,240.19 mi (1,995.89 km) |
| Naples to Sines | 1,246.38 mi (2,005.85 km) |
| Naples to Sintra | 1,258.49 mi (2,025.34 km) |
| Naples to Sobrado de Paiva | 1,172.14 mi (1,886.37 km) |
| Naples to Sobral de Monte Agraco | 1,242.58 mi (1,999.75 km) |
| Naples to Soure | 1,201.11 mi (1,932.99 km) |
| Naples to Tabua | 1,166.14 mi (1,876.72 km) |
| Naples to Tavira | 1,200.66 mi (1,932.28 km) |
| Naples to Tomar | 1,195.59 mi (1,924.12 km) |
| Naples to Tondela | 1,167.33 mi (1,878.64 km) |
| Naples to Torre de Moncorvo | 1,112.23 mi (1,789.97 km) |
| Naples to Torres Novas | 1,203.53 mi (1,936.89 km) |
| Naples to Torres Vedras | 1,247.55 mi (2,007.73 km) |
