| Rhondda to Belvedere Park (Georgia) | 4,064.44 mi (6,541.08 km) |
| Rhondda to Belvidere (Illinois) | 3,848.29 mi (6,193.23 km) |
| Rhondda to Bemidji (Minnesota) | 3,831.54 mi (6,166.27 km) |
| Rhondda to Benbrook (Texas) | 4,648.06 mi (7,480.33 km) |
| Rhondda to Bend (Oregon) | 4,860.52 mi (7,822.24 km) |
| Rhondda to Benicia (California) | 5,224.75 mi (8,408.42 km) |
| Rhondda to Bensenville (Illinois) | 3,826.43 mi (6,158.04 km) |
| Rhondda to Bensville (Maryland) | 3,539.20 mi (5,695.80 km) |
| Rhondda to Benton (Arkansas) | 4,359.89 mi (7,016.57 km) |
| Rhondda to Bentonville (Arkansas) | 4,336.97 mi (6,979.69 km) |
| Rhondda to Berea (Kentucky) | 3,883.41 mi (6,249.74 km) |
| Rhondda to Berea (Ohio) | 3,614.24 mi (5,816.55 km) |
| Rhondda to Berea (South Carolina) | 3,936.41 mi (6,335.04 km) |
| Rhondda to Bergenfield (New Jersey) | 3,314.72 mi (5,334.53 km) |
| Rhondda to Berkeley (California) | 5,239.97 mi (8,432.92 km) |
