| Dundalk to Bispham | 3,462.94 mi (5,573.06 km) |
| Dundalk to Blackburn | 3,486.83 mi (5,611.51 km) |
| Dundalk to Blackpool | 3,463.23 mi (5,573.54 km) |
| Dundalk to Blairgowrie | 3,407.21 mi (5,483.38 km) |
| Dundalk to Blandford Forum | 3,556.25 mi (5,723.23 km) |
| Dundalk to Blaydon | 3,494.79 mi (5,624.33 km) |
| Dundalk to Bletchley | 3,591.17 mi (5,779.44 km) |
| Dundalk to Bloxwich | 3,527.23 mi (5,676.53 km) |
| Dundalk to Blunsdon Saint Andrew | 3,556.06 mi (5,722.92 km) |
| Dundalk to Blyth | 3,499.77 mi (5,632.33 km) |
| Dundalk to Bo'ness | 3,405.71 mi (5,480.95 km) |
| Dundalk to Bodmin | 3,457.22 mi (5,563.86 km) |
| Dundalk to Bognor Regis | 3,619.58 mi (5,825.14 km) |
| Dundalk to Bolsover | 3,543.82 mi (5,703.23 km) |
| Dundalk to Bolton | 3,492.02 mi (5,619.86 km) |
