| Rhondda to Recica | 905.44 mi (1,457.16 km) |
| Rhondda to Ribnica | 918.78 mi (1,478.64 km) |
| Rhondda to Ribnica | 912.57 mi (1,468.63 km) |
| Rhondda to Rogaska Slatina | 938.17 mi (1,509.83 km) |
| Rhondda to Rogasovci | 935.33 mi (1,505.27 km) |
| Rhondda to Rogatec | 941.18 mi (1,514.69 km) |
| Rhondda to Ruse | 922.55 mi (1,484.70 km) |
| Rhondda to Salovci | 945.72 mi (1,521.99 km) |
| Rhondda to Selnica ob Dravi | 921.26 mi (1,482.62 km) |
| Rhondda to Semic | 940.14 mi (1,513.01 km) |
| Rhondda to Sempeter pri Gorici | 867.54 mi (1,396.18 km) |
| Rhondda to Sencur | 887.64 mi (1,428.52 km) |
| Rhondda to Sentilj | 923.27 mi (1,485.86 km) |
| Rhondda to Sentjernej | 939.77 mi (1,512.41 km) |
| Rhondda to Sentjur | 928.67 mi (1,494.54 km) |
