| Rhondda to Ratingen | 442.20 mi (711.66 km) |
| Rhondda to Ratzeburg | 609.85 mi (981.45 km) |
| Rhondda to Raubling | 740.57 mi (1,191.83 km) |
| Rhondda to Rauenberg | 556.73 mi (895.97 km) |
| Rhondda to Raunheim | 529.08 mi (851.47 km) |
| Rhondda to Ravensburg | 638.47 mi (1,027.52 km) |
| Rhondda to Recke | 476.17 mi (766.32 km) |
| Rhondda to Recklinghausen | 453.64 mi (730.07 km) |
| Rhondda to Regen | 751.38 mi (1,209.22 km) |
| Rhondda to Regensburg | 705.57 mi (1,135.51 km) |
| Rhondda to Regenstauf | 704.92 mi (1,134.45 km) |
| Rhondda to Rehau | 677.37 mi (1,090.12 km) |
| Rhondda to Rehburg-Loccum | 539.05 mi (867.51 km) |
| Rhondda to Rehlingen-Siersburg | 469.70 mi (755.90 km) |
| Rhondda to Reichelsheim | 551.90 mi (888.20 km) |
