| Northampton to Bispham | 143.20 mi (230.46 km) |
| Northampton to Blackburn | 123.92 mi (199.43 km) |
| Northampton to Blackpool | 141.43 mi (227.62 km) |
| Northampton to Blairgowrie | 316.93 mi (510.05 km) |
| Northampton to Blandford Forum | 109.55 mi (176.30 km) |
| Northampton to Blaydon | 191.81 mi (308.69 km) |
| Northampton to Bletchley | 17.72 mi (28.51 km) |
| Northampton to Bloxwich | 53.76 mi (86.53 km) |
| Northampton to Blunsdon Saint Andrew | 57.41 mi (92.39 km) |
| Northampton to Blyth | 201.67 mi (324.55 km) |
| Northampton to Bo'ness | 283.72 mi (456.60 km) |
| Northampton to Bodmin | 205.13 mi (330.13 km) |
| Northampton to Bognor Regis | 100.48 mi (161.71 km) |
| Northampton to Bolsover | 71.03 mi (114.31 km) |
| Northampton to Bolton | 112.97 mi (181.80 km) |
