| Rhondda to Soham | 167.26 mi (269.18 km) |
| Rhondda to Solihull | 88.84 mi (142.98 km) |
| Rhondda to Sompting | 143.81 mi (231.45 km) |
| Rhondda to South Hayling | 120.15 mi (193.36 km) |
| Rhondda to South Normanton | 135.18 mi (217.55 km) |
| Rhondda to South Ockendon | 159.59 mi (256.83 km) |
| Rhondda to South Shields | 247.45 mi (398.23 km) |
| Rhondda to Southall | 130.74 mi (210.41 km) |
| Rhondda to Southampton | 100.03 mi (160.99 km) |
| Rhondda to Southborough | 161.87 mi (260.50 km) |
| Rhondda to Southbourne | 93.47 mi (150.42 km) |
| Rhondda to Southend | 177.24 mi (285.24 km) |
| Rhondda to Southgate | 141.16 mi (227.17 km) |
| Rhondda to Southport | 141.43 mi (227.61 km) |
| Rhondda to Southwater | 138.51 mi (222.92 km) |
