| Mablethorpe to Bispham | 139.91 mi (225.17 km) |
| Mablethorpe to Blackburn | 116.07 mi (186.79 km) |
| Mablethorpe to Blackpool | 139.71 mi (224.84 km) |
| Mablethorpe to Blairgowrie | 266.10 mi (428.24 km) |
| Mablethorpe to Blandford Forum | 200.17 mi (322.15 km) |
| Mablethorpe to Blaydon | 137.76 mi (221.70 km) |
| Mablethorpe to Bletchley | 101.94 mi (164.05 km) |
| Mablethorpe to Bloxwich | 106.77 mi (171.83 km) |
| Mablethorpe to Blunsdon Saint Andrew | 147.48 mi (237.34 km) |
| Mablethorpe to Blyth | 142.64 mi (229.56 km) |
| Mablethorpe to Bo'ness | 240.93 mi (387.73 km) |
| Mablethorpe to Bodmin | 290.58 mi (467.64 km) |
| Mablethorpe to Bognor Regis | 181.20 mi (291.61 km) |
| Mablethorpe to Bolsover | 64.41 mi (103.67 km) |
| Mablethorpe to Bolton | 111.86 mi (180.02 km) |
