| Rhondda to Sesimbra | 950.73 mi (1,530.06 km) |
| Rhondda to Setubal | 942.49 mi (1,516.80 km) |
| Rhondda to Sever do Vouga | 787.85 mi (1,267.92 km) |
| Rhondda to Silves | 1,026.68 mi (1,652.28 km) |
| Rhondda to Sines | 980.27 mi (1,577.59 km) |
| Rhondda to Sintra | 931.24 mi (1,498.69 km) |
| Rhondda to Sobrado de Paiva | 766.48 mi (1,233.54 km) |
| Rhondda to Sobral de Monte Agraco | 913.22 mi (1,469.68 km) |
| Rhondda to Soure | 837.10 mi (1,347.18 km) |
| Rhondda to Tabua | 808.17 mi (1,300.62 km) |
| Rhondda to Tavira | 1,022.93 mi (1,646.25 km) |
| Rhondda to Tomar | 864.14 mi (1,390.71 km) |
| Rhondda to Tondela | 798.41 mi (1,284.91 km) |
| Rhondda to Torre de Moncorvo | 740.87 mi (1,192.31 km) |
| Rhondda to Torres Novas | 874.62 mi (1,407.57 km) |
