| Rhondda to Bridgeton (Missouri) | 4,071.70 mi (6,552.77 km) |
| Rhondda to Bridgetown (Ohio) | 3,824.81 mi (6,155.43 km) |
| Rhondda to Bridgeview (Illinois) | 3,831.05 mi (6,165.48 km) |
| Rhondda to Brigham City (Utah) | 4,714.14 mi (7,586.68 km) |
| Rhondda to Brighton (Colorado) | 4,547.41 mi (7,318.34 km) |
| Rhondda to Bristol (Connecticut) | 3,239.30 mi (5,213.15 km) |
| Rhondda to Bristol (Tennessee) | 3,847.25 mi (6,191.55 km) |
| Rhondda to Bristol (Virginia) | 3,842.16 mi (6,183.36 km) |
| Rhondda to Broadlands (Virginia) | 3,542.39 mi (5,700.92 km) |
| Rhondda to Broadview Heights (Ohio) | 3,609.02 mi (5,808.16 km) |
| Rhondda to Brock Hall (Maryland) | 3,517.61 mi (5,661.04 km) |
| Rhondda to Brockton (Massachusetts) | 3,143.76 mi (5,059.39 km) |
| Rhondda to Broken Arrow (Oklahoma) | 4,412.75 mi (7,101.64 km) |
| Rhondda to Bronx (New York) | 3,312.41 mi (5,330.81 km) |
| Rhondda to Brook Park (Ohio) | 3,611.05 mi (5,811.43 km) |
