| Rhondda to Sosnowiec | 981.98 mi (1,580.34 km) |
| Rhondda to Srem | 869.74 mi (1,399.72 km) |
| Rhondda to Sroda Slaska | 860.38 mi (1,384.65 km) |
| Rhondda to Sroda Wielkopolska | 880.08 mi (1,416.35 km) |
| Rhondda to Stalowa Wola | 1,101.95 mi (1,773.42 km) |
| Rhondda to Starachowice | 1,052.73 mi (1,694.21 km) |
| Rhondda to Stargard Szczecinski | 783.95 mi (1,261.64 km) |
| Rhondda to Starogard Gdanski | 927.51 mi (1,492.68 km) |
| Rhondda to Stary Sacz | 1,059.72 mi (1,705.46 km) |
| Rhondda to Staszow | 1,064.31 mi (1,712.85 km) |
| Rhondda to Strzegom | 852.52 mi (1,371.99 km) |
| Rhondda to Strzelce Krajenskie | 803.98 mi (1,293.87 km) |
| Rhondda to Strzelce Opolskie | 942.07 mi (1,516.11 km) |
| Rhondda to Strzelin | 885.80 mi (1,425.56 km) |
| Rhondda to Strzyzow | 1,102.61 mi (1,774.48 km) |
