| Rhondda to Cuenca | 800.27 mi (1,287.91 km) |
| Rhondda to Cuevas del Almanzora | 992.03 mi (1,596.51 km) |
| Rhondda to Cullera | 873.74 mi (1,406.14 km) |
| Rhondda to Culleredo | 620.14 mi (998.02 km) |
| Rhondda to Cunit | 758.54 mi (1,220.75 km) |
| Rhondda to Daganzo de Arriba | 765.04 mi (1,231.22 km) |
| Rhondda to Daimiel | 865.97 mi (1,393.65 km) |
| Rhondda to Don Benito | 882.72 mi (1,420.60 km) |
| Rhondda to Donostia | 577.08 mi (928.72 km) |
| Rhondda to Dos Hermanas | 997.79 mi (1,605.78 km) |
| Rhondda to Durango | 584.78 mi (941.12 km) |
| Rhondda to Ecija | 976.39 mi (1,571.35 km) |
| Rhondda to Ejea de los Caballeros | 664.17 mi (1,068.88 km) |
| Rhondda to El Alamo | 787.13 mi (1,266.76 km) |
| Rhondda to El Arahal | 996.89 mi (1,604.33 km) |
