| Rhondda to Rosolini | 1,360.76 mi (2,189.93 km) |
| Rhondda to Rossano | 1,270.31 mi (2,044.36 km) |
| Rhondda to Rottofreno | 746.51 mi (1,201.40 km) |
| Rhondda to Rovato | 740.22 mi (1,191.26 km) |
| Rhondda to Roverbella | 782.20 mi (1,258.83 km) |
| Rhondda to Rovereto | 766.94 mi (1,234.28 km) |
| Rhondda to Rovigo | 829.24 mi (1,334.54 km) |
| Rhondda to Rozzano | 717.06 mi (1,154.00 km) |
| Rhondda to Rubano | 813.92 mi (1,309.88 km) |
| Rhondda to Rubiera | 810.40 mi (1,304.21 km) |
| Rhondda to Ruffano | 1,308.82 mi (2,106.34 km) |
| Rhondda to Russi | 869.28 mi (1,398.97 km) |
| Rhondda to Rutigliano | 1,212.20 mi (1,950.85 km) |
| Rhondda to Ruvo di Puglia | 1,187.81 mi (1,911.60 km) |
| Rhondda to Sabaudia | 1,054.11 mi (1,696.43 km) |
