| Cwmbran to Romeoville (Illinois) | 3,861.53 mi (6,214.54 km) |
| Cwmbran to Romulus (Michigan) | 3,650.59 mi (5,875.05 km) |
| Cwmbran to Ronkonkoma (New York) | 3,299.46 mi (5,309.96 km) |
| Cwmbran to Roosevelt (New York) | 3,323.66 mi (5,348.91 km) |
| Cwmbran to Rosamond (California) | 5,293.02 mi (8,518.29 km) |
| Cwmbran to Rosaryville (Maryland) | 3,540.70 mi (5,698.20 km) |
| Cwmbran to Roscoe (Illinois) | 3,859.92 mi (6,211.95 km) |
| Cwmbran to Rose Hill (Virginia) | 3,551.40 mi (5,715.43 km) |
| Cwmbran to Roseburg (Oregon) | 4,975.65 mi (8,007.54 km) |
| Cwmbran to Rosedale (California) | 5,295.62 mi (8,522.47 km) |
| Cwmbran to Rosedale (Maryland) | 3,502.78 mi (5,637.18 km) |
| Cwmbran to Roselle (Illinois) | 3,844.99 mi (6,187.91 km) |
| Cwmbran to Roselle (New Jersey) | 3,352.63 mi (5,395.54 km) |
| Cwmbran to Roselle Park (New Jersey) | 3,352.37 mi (5,395.12 km) |
| Cwmbran to Rosemead (California) | 5,333.63 mi (8,583.64 km) |
