| Rhondda to Radauti | 1,326.47 mi (2,134.75 km) |
| Rhondda to Ramnicu Sarat | 1,448.30 mi (2,330.82 km) |
| Rhondda to Ramnicu Valcea | 1,343.17 mi (2,161.63 km) |
| Rhondda to Rasnov | 1,373.05 mi (2,209.71 km) |
| Rhondda to Reghin | 1,304.23 mi (2,098.96 km) |
| Rhondda to Resita | 1,231.30 mi (1,981.59 km) |
| Rhondda to Roman | 1,394.96 mi (2,244.98 km) |
| Rhondda to Rosiori de Vede | 1,404.34 mi (2,260.06 km) |
| Rhondda to Rovinari | 1,298.46 mi (2,089.67 km) |
| Rhondda to Roznov | 1,379.76 mi (2,220.50 km) |
| Rhondda to Sabaoani | 1,389.05 mi (2,235.45 km) |
| Rhondda to Sacele | 1,382.82 mi (2,225.44 km) |
| Rhondda to Sacueni | 1,175.66 mi (1,892.05 km) |
| Rhondda to Salcea | 1,350.92 mi (2,174.09 km) |
| Rhondda to Salonta | 1,172.84 mi (1,887.51 km) |
