| Holyhead to Bonita (California) | 5,254.28 mi (8,455.94 km) |
| Holyhead to Bonita Springs (Florida) | 4,258.82 mi (6,853.91 km) |
| Holyhead to Bonney Lake (Washington) | 4,587.59 mi (7,383.01 km) |
| Holyhead to Boone (Iowa) | 3,946.23 mi (6,350.85 km) |
| Holyhead to Boone (North Carolina) | 3,759.85 mi (6,050.89 km) |
| Holyhead to Borger (Texas) | 4,544.90 mi (7,314.32 km) |
| Holyhead to Bossier City (Louisiana) | 4,416.54 mi (7,107.73 km) |
| Holyhead to Boston (Massachusetts) | 3,057.01 mi (4,919.78 km) |
| Holyhead to Bostonia (California) | 5,242.84 mi (8,437.54 km) |
| Holyhead to Bothell (Washington) | 4,555.04 mi (7,330.63 km) |
| Holyhead to Bothell East (Washington) | 4,552.65 mi (7,326.78 km) |
| Holyhead to Bothell West (Washington) | 4,554.20 mi (7,329.27 km) |
| Holyhead to Boulder (Colorado) | 4,452.71 mi (7,165.94 km) |
| Holyhead to Boulder City (Nevada) | 5,005.81 mi (8,056.08 km) |
| Holyhead to Bound Brook (New Jersey) | 3,272.02 mi (5,265.81 km) |
