| Cwmbran to Reidsville (North Carolina) | 3,768.53 mi (6,064.87 km) |
| Cwmbran to Reisterstown (Maryland) | 3,509.65 mi (5,648.24 km) |
| Cwmbran to Rendon (Texas) | 4,658.66 mi (7,497.39 km) |
| Cwmbran to Reno (Nevada) | 5,080.56 mi (8,176.38 km) |
| Cwmbran to Renton (Washington) | 4,702.48 mi (7,567.91 km) |
| Cwmbran to Republic (Missouri) | 4,281.80 mi (6,890.90 km) |
| Cwmbran to Reston (Virginia) | 3,553.92 mi (5,719.47 km) |
| Cwmbran to Revere (Massachusetts) | 3,144.76 mi (5,061.00 km) |
| Cwmbran to Rexburg (Idaho) | 4,593.58 mi (7,392.66 km) |
| Cwmbran to Reynoldsburg (Ohio) | 3,729.41 mi (6,001.91 km) |
| Cwmbran to Rialto (California) | 5,307.95 mi (8,542.32 km) |
| Cwmbran to Richardson (Texas) | 4,618.05 mi (7,432.04 km) |
| Cwmbran to Richfield (Minnesota) | 3,906.54 mi (6,286.98 km) |
| Cwmbran to Richfield (Wisconsin) | 3,793.72 mi (6,105.41 km) |
| Cwmbran to Richland (Washington) | 4,687.96 mi (7,544.55 km) |
