| Holyhead to Burlingame (California) | 5,141.20 mi (8,273.96 km) |
| Holyhead to Burlington (Iowa) | 3,904.86 mi (6,284.26 km) |
| Holyhead to Burlington (Kentucky) | 3,745.75 mi (6,028.20 km) |
| Holyhead to Burlington (North Carolina) | 3,678.28 mi (5,919.62 km) |
| Holyhead to Burlington (Vermont) | 3,050.83 mi (4,909.84 km) |
| Holyhead to Burlington (Wisconsin) | 3,709.38 mi (5,969.68 km) |
| Holyhead to Burnsville (Minnesota) | 3,794.71 mi (6,107.00 km) |
| Holyhead to Burr Ridge (Illinois) | 3,739.55 mi (6,018.22 km) |
| Holyhead to Burton (Michigan) | 3,518.53 mi (5,662.52 km) |
| Holyhead to Burtonsville (Maryland) | 3,433.77 mi (5,526.11 km) |
| Holyhead to Butler (Pennsylvania) | 3,471.31 mi (5,586.54 km) |
| Holyhead to Butte (Montana) | 4,382.95 mi (7,053.67 km) |
| Holyhead to Byram (Mississippi) | 4,301.60 mi (6,922.76 km) |
| Holyhead to Cabot (Arkansas) | 4,227.75 mi (6,803.91 km) |
| Holyhead to Cadillac (Michigan) | 3,530.07 mi (5,681.10 km) |
