| Rhondda to Bay City (Texas) | 4,778.59 mi (7,690.40 km) |
| Rhondda to Bay Point (California) | 5,221.16 mi (8,402.64 km) |
| Rhondda to Bay Shore (New York) | 3,292.13 mi (5,298.18 km) |
| Rhondda to Bay Village (Ohio) | 3,611.83 mi (5,812.68 km) |
| Rhondda to Bayamón (Puerto Rico) | 4,067.43 mi (6,545.90 km) |
| Rhondda to Bayonet Point (Florida) | 4,264.67 mi (6,863.32 km) |
| Rhondda to Bayonne (New Jersey) | 3,330.51 mi (5,359.93 km) |
| Rhondda to Bayou Blue (Louisiana) | 4,531.11 mi (7,292.11 km) |
| Rhondda to Bayou Cane (Louisiana) | 4,534.78 mi (7,298.03 km) |
| Rhondda to Bayshore Gardens (Florida) | 4,304.79 mi (6,927.89 km) |
| Rhondda to Baytown (Texas) | 4,698.83 mi (7,562.03 km) |
| Rhondda to Beach Park (Illinois) | 3,801.82 mi (6,118.44 km) |
| Rhondda to Beachwood (New Jersey) | 3,365.79 mi (5,416.71 km) |
| Rhondda to Beachwood (Ohio) | 3,595.15 mi (5,785.83 km) |
| Rhondda to Beacon (New York) | 3,288.84 mi (5,292.87 km) |
