| Rhondda to Ashwaubenon (Wisconsin) | 3,718.41 mi (5,984.20 km) |
| Rhondda to Aspen Hill (Maryland) | 3,521.17 mi (5,666.77 km) |
| Rhondda to Astoria (Oregon) | 4,810.59 mi (7,741.90 km) |
| Rhondda to Atascadero (California) | 5,326.70 mi (8,572.49 km) |
| Rhondda to Atascocita (Texas) | 4,696.74 mi (7,558.67 km) |
| Rhondda to Atchison (Kansas) | 4,214.29 mi (6,782.25 km) |
| Rhondda to Athens (Alabama) | 4,124.41 mi (6,637.60 km) |
| Rhondda to Athens (Georgia) | 4,018.02 mi (6,466.37 km) |
| Rhondda to Athens (Ohio) | 3,715.08 mi (5,978.84 km) |
| Rhondda to Athens (Tennessee) | 3,996.72 mi (6,432.10 km) |
| Rhondda to Athens (Texas) | 4,608.22 mi (7,416.22 km) |
| Rhondda to Atlanta (Georgia) | 4,070.44 mi (6,550.74 km) |
| Rhondda to Atlantic Beach (Florida) | 4,111.74 mi (6,617.20 km) |
| Rhondda to Atlantic City (New Jersey) | 3,399.98 mi (5,471.74 km) |
| Rhondda to Attleboro (Massachusetts) | 3,161.14 mi (5,087.36 km) |
