| Rhondda to Redondela | 689.43 mi (1,109.53 km) |
| Rhondda to Reinosa | 596.12 mi (959.36 km) |
| Rhondda to Requena | 845.43 mi (1,360.59 km) |
| Rhondda to Reus | 753.91 mi (1,213.30 km) |
| Rhondda to Rianxo | 668.99 mi (1,076.64 km) |
| Rhondda to Ribadeo | 583.22 mi (938.60 km) |
| Rhondda to Rincon de la Victoria | 1,030.31 mi (1,658.12 km) |
| Rhondda to Ripoll | 701.77 mi (1,129.40 km) |
| Rhondda to Ripollet | 747.10 mi (1,202.33 km) |
| Rhondda to Rojales | 943.74 mi (1,518.81 km) |
| Rhondda to Ronda | 1,031.58 mi (1,660.17 km) |
| Rhondda to Roquetas de Mar | 1,026.91 mi (1,652.65 km) |
| Rhondda to Rosas | 716.44 mi (1,153.00 km) |
| Rhondda to Rubi | 745.27 mi (1,199.40 km) |
| Rhondda to Rute | 989.06 mi (1,591.75 km) |
