| Cwmbran to Sesimbra | 958.86 mi (1,543.13 km) |
| Cwmbran to Setubal | 950.47 mi (1,529.63 km) |
| Cwmbran to Sever do Vouga | 796.08 mi (1,281.16 km) |
| Cwmbran to Silves | 1,033.92 mi (1,663.94 km) |
| Cwmbran to Sines | 988.06 mi (1,590.13 km) |
| Cwmbran to Sintra | 939.72 mi (1,512.33 km) |
| Cwmbran to Sobrado de Paiva | 774.73 mi (1,246.80 km) |
| Cwmbran to Sobral de Monte Agraco | 921.56 mi (1,483.11 km) |
| Cwmbran to Soure | 845.33 mi (1,360.42 km) |
| Cwmbran to Tabua | 815.93 mi (1,313.12 km) |
| Cwmbran to Tavira | 1,029.51 mi (1,656.83 km) |
| Cwmbran to Tomar | 872.03 mi (1,403.39 km) |
| Cwmbran to Tondela | 806.28 mi (1,297.59 km) |
| Cwmbran to Torre de Moncorvo | 748.00 mi (1,203.79 km) |
| Cwmbran to Torres Novas | 882.57 mi (1,420.36 km) |
