| Holyhead to Barberton (Ohio) | 3,531.38 mi (5,683.21 km) |
| Holyhead to Bardstown (Kentucky) | 3,832.06 mi (6,167.11 km) |
| Holyhead to Barrington (Illinois) | 3,728.46 mi (6,000.37 km) |
| Holyhead to Barstow (California) | 5,130.06 mi (8,256.04 km) |
| Holyhead to Bartlesville (Oklahoma) | 4,287.43 mi (6,899.95 km) |
| Holyhead to Bartlett (Illinois) | 3,739.47 mi (6,018.09 km) |
| Holyhead to Bartlett (Tennessee) | 4,129.30 mi (6,645.46 km) |
| Holyhead to Bartow (Florida) | 4,181.33 mi (6,729.20 km) |
| Holyhead to Batavia (Illinois) | 3,749.61 mi (6,034.41 km) |
| Holyhead to Batavia (New York) | 3,308.50 mi (5,324.51 km) |
| Holyhead to Batesville (Arkansas) | 4,172.22 mi (6,714.55 km) |
| Holyhead to Baton Rouge (Louisiana) | 4,424.73 mi (7,120.91 km) |
| Holyhead to Battle Creek (Michigan) | 3,611.92 mi (5,812.82 km) |
| Holyhead to Battle Ground (Washington) | 4,677.06 mi (7,527.00 km) |
| Holyhead to Bay City (Michigan) | 3,502.09 mi (5,636.08 km) |
