| Holyhead to Bailey's Crossroads (Virginia) | 3,453.96 mi (5,558.60 km) |
| Holyhead to Bainbridge (Georgia) | 4,139.17 mi (6,661.35 km) |
| Holyhead to Bainbridge Island (Washington) | 4,571.46 mi (7,357.06 km) |
| Holyhead to Baker (Louisiana) | 4,418.50 mi (7,110.89 km) |
| Holyhead to Bakersfield (California) | 5,166.36 mi (8,314.45 km) |
| Holyhead to Balch Springs (Texas) | 4,519.73 mi (7,273.81 km) |
| Holyhead to Baldwin (New York) | 3,230.99 mi (5,199.78 km) |
| Holyhead to Baldwin (Pennsylvania) | 3,496.61 mi (5,627.26 km) |
| Holyhead to Baldwin Park (California) | 5,204.57 mi (8,375.94 km) |
| Holyhead to Ballenger Creek (Maryland) | 3,441.01 mi (5,537.77 km) |
| Holyhead to Ballwin (Missouri) | 3,990.83 mi (6,422.63 km) |
| Holyhead to Baltimore (Maryland) | 3,412.26 mi (5,491.50 km) |
| Holyhead to Bangor (Maine) | 2,860.84 mi (4,604.07 km) |
| Holyhead to Banning (California) | 5,177.32 mi (8,332.09 km) |
| Holyhead to Baraboo (Wisconsin) | 3,726.73 mi (5,997.59 km) |
