| Holyhead to Bountiful (Utah) | 4,628.62 mi (7,449.04 km) |
| Holyhead to Bourbonnais (Illinois) | 3,764.65 mi (6,058.62 km) |
| Holyhead to Bowie (Maryland) | 3,433.40 mi (5,525.52 km) |
| Holyhead to Bowling Green (Kentucky) | 3,911.51 mi (6,294.97 km) |
| Holyhead to Bowling Green (Ohio) | 3,593.80 mi (5,783.67 km) |
| Holyhead to Box Elder (South Dakota) | 4,167.86 mi (6,707.52 km) |
| Holyhead to Boynton Beach (Florida) | 4,179.96 mi (6,727.00 km) |
| Holyhead to Bozeman (Montana) | 4,345.22 mi (6,992.96 km) |
| Holyhead to Bradenton (Florida) | 4,232.55 mi (6,811.64 km) |
| Holyhead to Bradfordville (Florida) | 4,141.15 mi (6,664.53 km) |
| Holyhead to Bradley (Illinois) | 3,764.29 mi (6,058.04 km) |
| Holyhead to Bradley Gardens (New Jersey) | 3,277.05 mi (5,273.90 km) |
| Holyhead to Brainerd (Minnesota) | 3,752.51 mi (6,039.08 km) |
| Holyhead to Brambleton (Virginia) | 3,463.91 mi (5,574.62 km) |
| Holyhead to Brandermill (Virginia) | 3,540.76 mi (5,698.30 km) |
