| Rhondda to Sonneberg | 639.28 mi (1,028.83 km) |
| Rhondda to Sonsbeck | 419.92 mi (675.79 km) |
| Rhondda to Sonthofen | 674.70 mi (1,085.82 km) |
| Rhondda to Spaichingen | 593.30 mi (954.82 km) |
| Rhondda to Spelle | 465.53 mi (749.20 km) |
| Rhondda to Spenge | 508.34 mi (818.09 km) |
| Rhondda to Speyer | 544.00 mi (875.48 km) |
| Rhondda to Spiesen-Elversberg | 489.93 mi (788.46 km) |
| Rhondda to Spremberg | 762.01 mi (1,226.34 km) |
| Rhondda to Springe | 553.46 mi (890.70 km) |
| Rhondda to Sprockhovel | 458.83 mi (738.41 km) |
| Rhondda to Stade | 557.25 mi (896.81 km) |
| Rhondda to Stadtallendorf | 540.09 mi (869.19 km) |
| Rhondda to Stadthagen | 538.91 mi (867.29 km) |
| Rhondda to Stadtlohn | 441.84 mi (711.07 km) |
