| Rhondda to Rancho Cordova (California) | 5,168.60 mi (8,318.06 km) |
| Rhondda to Rancho Cucamonga (California) | 5,301.88 mi (8,532.55 km) |
| Rhondda to Rancho Mirage (California) | 5,283.91 mi (8,503.63 km) |
| Rhondda to Rancho Palos Verdes (California) | 5,349.14 mi (8,608.61 km) |
| Rhondda to Rancho San Diego (California) | 5,356.65 mi (8,620.69 km) |
| Rhondda to Rancho Santa Margarita (California) | 5,330.66 mi (8,578.86 km) |
| Rhondda to Randallstown (Maryland) | 3,497.28 mi (5,628.33 km) |
| Rhondda to Rantoul (Illinois) | 3,910.77 mi (6,293.77 km) |
| Rhondda to Rapid City (South Dakota) | 4,284.70 mi (6,895.56 km) |
| Rhondda to Ravenna (Ohio) | 3,598.60 mi (5,791.39 km) |
| Rhondda to Raymondville (Texas) | 4,982.21 mi (8,018.10 km) |
| Rhondda to Raymore (Missouri) | 4,225.52 mi (6,800.32 km) |
| Rhondda to Raytown (Missouri) | 4,216.42 mi (6,785.67 km) |
| Rhondda to Reading (Ohio) | 3,813.53 mi (6,137.29 km) |
| Rhondda to Reading (Pennsylvania) | 3,419.01 mi (5,502.37 km) |
