| Pontypridd to Rockville (Maryland) | 3,527.95 mi (5,677.69 km) |
| Pontypridd to Rockville Centre (New York) | 3,314.31 mi (5,333.86 km) |
| Pontypridd to Rockwall (Texas) | 4,599.09 mi (7,401.52 km) |
| Pontypridd to Rocky Mount (North Carolina) | 3,695.77 mi (5,947.77 km) |
| Pontypridd to Rocky Point (New York) | 3,273.82 mi (5,268.70 km) |
| Pontypridd to Rocky River (Ohio) | 3,612.70 mi (5,814.07 km) |
| Pontypridd to Roessleville (New York) | 3,235.58 mi (5,207.17 km) |
| Pontypridd to Rogers (Arkansas) | 4,339.17 mi (6,983.22 km) |
| Pontypridd to Rogers (Minnesota) | 3,893.18 mi (6,265.47 km) |
| Pontypridd to Rohnert Park (California) | 5,228.51 mi (8,414.47 km) |
| Pontypridd to Rolla (Missouri) | 4,166.43 mi (6,705.22 km) |
| Pontypridd to Rolling Meadows (Illinois) | 3,827.56 mi (6,159.86 km) |
| Pontypridd to Roma (Texas) | 5,038.02 mi (8,107.92 km) |
| Pontypridd to Rome (Georgia) | 4,080.92 mi (6,567.60 km) |
| Pontypridd to Rome (New York) | 3,282.49 mi (5,282.66 km) |
