| Cwmbran to Rosemont (California) | 5,183.57 mi (8,342.15 km) |
| Cwmbran to Rosemount (Minnesota) | 3,904.63 mi (6,283.90 km) |
| Cwmbran to Rosenberg (Texas) | 4,759.00 mi (7,658.87 km) |
| Cwmbran to Roseville (California) | 5,169.81 mi (8,320.00 km) |
| Cwmbran to Roseville (Michigan) | 3,621.21 mi (5,827.78 km) |
| Cwmbran to Roseville (Minnesota) | 3,895.45 mi (6,269.12 km) |
| Cwmbran to Rossmoor (California) | 5,349.38 mi (8,609.00 km) |
| Cwmbran to Rossville (Maryland) | 3,500.13 mi (5,632.91 km) |
| Cwmbran to Roswell (Georgia) | 4,069.76 mi (6,549.65 km) |
| Cwmbran to Roswell (New Mexico) | 4,895.25 mi (7,878.14 km) |
| Cwmbran to Round Lake (Illinois) | 3,829.17 mi (6,162.46 km) |
| Cwmbran to Round Lake Beach (Illinois) | 3,826.60 mi (6,158.31 km) |
| Cwmbran to Round Rock (Texas) | 4,781.28 mi (7,694.72 km) |
| Cwmbran to Rowland Heights (California) | 5,332.80 mi (8,582.32 km) |
| Cwmbran to Rowlett (Texas) | 4,614.65 mi (7,426.56 km) |
