| Cwmbran to Ridgeland (Mississippi) | 4,384.97 mi (7,056.93 km) |
| Cwmbran to Ridgewood (New Jersey) | 3,332.50 mi (5,363.14 km) |
| Cwmbran to Rifle (Colorado) | 4,686.41 mi (7,542.05 km) |
| Cwmbran to Rincon (Georgia) | 4,025.06 mi (6,477.70 km) |
| Cwmbran to Ringwood (New Jersey) | 3,333.86 mi (5,365.32 km) |
| Cwmbran to Río Grande (Puerto Rico) | 4,070.93 mi (6,551.53 km) |
| Cwmbran to Rio Grande City (Texas) | 5,044.09 mi (8,117.68 km) |
| Cwmbran to Rio Linda (California) | 5,178.25 mi (8,333.58 km) |
| Cwmbran to Rio Rancho (New Mexico) | 4,873.18 mi (7,842.62 km) |
| Cwmbran to Rio Rico (Arizona) | 5,232.25 mi (8,420.49 km) |
| Cwmbran to Ripon (California) | 5,222.63 mi (8,405.02 km) |
| Cwmbran to River Edge (New Jersey) | 3,331.82 mi (5,362.04 km) |
| Cwmbran to River Falls (Wisconsin) | 3,883.24 mi (6,249.47 km) |
| Cwmbran to River Forest (Illinois) | 3,838.66 mi (6,177.72 km) |
| Cwmbran to River Grove (Illinois) | 3,838.03 mi (6,176.71 km) |
