| Holyhead to Barking | 233.11 mi (375.15 km) |
| Holyhead to Barnet | 219.11 mi (352.63 km) |
| Holyhead to Barnoldswick | 108.54 mi (174.68 km) |
| Holyhead to Barnsley | 130.92 mi (210.70 km) |
| Holyhead to Barnstaple | 155.91 mi (250.91 km) |
| Holyhead to Barrhead | 172.46 mi (277.54 km) |
| Holyhead to Barri | 143.57 mi (231.05 km) |
| Holyhead to Barrow in Furness | 79.87 mi (128.53 km) |
| Holyhead to Barton upon Humber | 173.84 mi (279.76 km) |
| Holyhead to Barton upon Irwell | 94.36 mi (151.85 km) |
| Holyhead to Barwell | 146.11 mi (235.13 km) |
| Holyhead to Basford | 145.35 mi (233.92 km) |
| Holyhead to Basildon | 246.53 mi (396.76 km) |
| Holyhead to Basingstoke | 205.78 mi (331.17 km) |
| Holyhead to Bath | 164.20 mi (264.26 km) |
