| Pontypridd to Robertsville (New Jersey) | 3,355.25 mi (5,399.75 km) |
| Pontypridd to Robinson (Texas) | 4,700.96 mi (7,565.47 km) |
| Pontypridd to Robstown (Texas) | 4,912.26 mi (7,905.51 km) |
| Pontypridd to Rochester (Michigan) | 3,609.34 mi (5,808.67 km) |
| Pontypridd to Rochester (Minnesota) | 3,906.79 mi (6,287.37 km) |
| Pontypridd to Rochester (New Hampshire) | 3,095.96 mi (4,982.46 km) |
| Pontypridd to Rochester (New York) | 3,370.37 mi (5,424.08 km) |
| Pontypridd to Rochester Hills (Michigan) | 3,611.74 mi (5,812.53 km) |
| Pontypridd to Rock Hill (South Carolina) | 3,877.37 mi (6,240.03 km) |
| Pontypridd to Rock Island (Illinois) | 3,953.58 mi (6,362.67 km) |
| Pontypridd to Rock Springs (Wyoming) | 4,618.70 mi (7,433.09 km) |
| Pontypridd to Rockford (Illinois) | 3,859.00 mi (6,210.46 km) |
| Pontypridd to Rockledge (Florida) | 4,186.04 mi (6,736.78 km) |
| Pontypridd to Rocklin (California) | 5,158.19 mi (8,301.30 km) |
| Pontypridd to Rockport (Texas) | 4,876.09 mi (7,847.31 km) |
