| Mountain Ash to Bridgeton (Missouri) | 4,071.31 mi (6,552.14 km) |
| Mountain Ash to Bridgetown (Ohio) | 3,824.69 mi (6,155.24 km) |
| Mountain Ash to Bridgeview (Illinois) | 3,830.57 mi (6,164.71 km) |
| Mountain Ash to Brigham City (Utah) | 4,712.48 mi (7,584.00 km) |
| Mountain Ash to Brighton (Colorado) | 4,546.19 mi (7,316.39 km) |
| Mountain Ash to Bristol (Connecticut) | 3,239.59 mi (5,213.61 km) |
| Mountain Ash to Bristol (Tennessee) | 3,847.46 mi (6,191.89 km) |
| Mountain Ash to Bristol (Virginia) | 3,842.37 mi (6,183.69 km) |
| Mountain Ash to Broadlands (Virginia) | 3,542.66 mi (5,701.36 km) |
| Mountain Ash to Broadview Heights (Ohio) | 3,608.89 mi (5,807.94 km) |
| Mountain Ash to Brock Hall (Maryland) | 3,517.93 mi (5,661.57 km) |
| Mountain Ash to Brockton (Massachusetts) | 3,144.10 mi (5,059.94 km) |
| Mountain Ash to Broken Arrow (Oklahoma) | 4,412.26 mi (7,100.85 km) |
| Mountain Ash to Bronx (New York) | 3,312.72 mi (5,331.31 km) |
| Mountain Ash to Brook Park (Ohio) | 3,610.91 mi (5,811.19 km) |
