| Northampton to Ayr | 269.94 mi (434.43 km) |
| Northampton to Bacup | 115.39 mi (185.71 km) |
| Northampton to Baguley | 99.25 mi (159.72 km) |
| Northampton to Baildon | 117.65 mi (189.34 km) |
| Northampton to Bailleston | 281.94 mi (453.75 km) |
| Northampton to Balderton | 57.19 mi (92.04 km) |
| Northampton to Baldock | 34.17 mi (55.00 km) |
| Northampton to Balham | 62.92 mi (101.25 km) |
| Northampton to Bamber Bridge | 126.92 mi (204.26 km) |
| Northampton to Banbridge | 265.28 mi (426.93 km) |
| Northampton to Banbury | 22.10 mi (35.57 km) |
| Northampton to Bangor | 258.38 mi (415.82 km) |
| Northampton to Bangor | 151.85 mi (244.38 km) |
| Northampton to Banstead | 69.35 mi (111.60 km) |
| Northampton to Bargoed | 106.64 mi (171.61 km) |
