| Rhondda to Rodgau | 547.52 mi (881.16 km) |
| Rhondda to Roding | 719.65 mi (1,158.17 km) |
| Rhondda to Rodinghausen | 508.24 mi (817.93 km) |
| Rhondda to Roetgen | 421.97 mi (679.10 km) |
| Rhondda to Rommerskirchen | 437.95 mi (704.82 km) |
| Rhondda to Ronnenberg | 557.86 mi (897.78 km) |
| Rhondda to Rosbach vor der Hohe | 534.55 mi (860.27 km) |
| Rhondda to Rosdorf | 571.34 mi (919.49 km) |
| Rhondda to Rosenheim | 739.85 mi (1,190.67 km) |
| Rhondda to Rosrath | 460.62 mi (741.30 km) |
| Rhondda to Rossdorf | 545.28 mi (877.55 km) |
| Rhondda to Rosstal | 645.63 mi (1,039.04 km) |
| Rhondda to Rostock | 669.37 mi (1,077.24 km) |
| Rhondda to Rotenburg an der Fulda | 568.64 mi (915.14 km) |
| Rhondda to Roth | 658.00 mi (1,058.95 km) |
