| Rhondda to Accokeek (Maryland) | 3,536.44 mi (5,691.36 km) |
| Rhondda to Acworth (Georgia) | 4,066.54 mi (6,544.46 km) |
| Rhondda to Ada (Oklahoma) | 4,510.95 mi (7,259.68 km) |
| Rhondda to Addison (Illinois) | 3,830.12 mi (6,163.99 km) |
| Rhondda to Addison (Texas) | 4,609.19 mi (7,417.77 km) |
| Rhondda to Adelanto (California) | 5,272.02 mi (8,484.49 km) |
| Rhondda to Adelphi (Maryland) | 3,520.36 mi (5,665.47 km) |
| Rhondda to Adrian (Michigan) | 3,677.10 mi (5,917.72 km) |
| Rhondda to Affton (Missouri) | 4,078.12 mi (6,563.10 km) |
| Rhondda to Agoura Hills (California) | 5,339.92 mi (8,593.77 km) |
| Rhondda to Aguadilla (Puerto Rico) | 4,106.26 mi (6,608.38 km) |
| Rhondda to Aiken (South Carolina) | 3,970.19 mi (6,389.41 km) |
| Rhondda to Akron (Ohio) | 3,613.39 mi (5,815.19 km) |
| Rhondda to Alabaster (Alabama) | 4,195.23 mi (6,751.58 km) |
| Rhondda to Alachua (Florida) | 4,184.22 mi (6,733.86 km) |
