| Middlesex to Brownhills | 3,390.63 mi (5,456.68 km) |
| Middlesex to Broxbourne | 3,486.41 mi (5,610.84 km) |
| Middlesex to Broxburn | 3,273.70 mi (5,268.50 km) |
| Middlesex to Bryn | 3,345.65 mi (5,384.30 km) |
| Middlesex to Buckhurst Hill | 3,491.32 mi (5,618.74 km) |
| Middlesex to Buckie | 3,267.52 mi (5,258.56 km) |
| Middlesex to Buckingham | 3,442.05 mi (5,539.44 km) |
| Middlesex to Buckley | 3,334.51 mi (5,366.37 km) |
| Middlesex to Bucksburn | 3,303.36 mi (5,316.25 km) |
| Middlesex to Bude | 3,319.02 mi (5,341.45 km) |
| Middlesex to Bulwell | 3,413.13 mi (5,492.90 km) |
| Middlesex to Burbage | 3,416.50 mi (5,498.33 km) |
| Middlesex to Burgess Hill | 3,499.72 mi (5,632.26 km) |
| Middlesex to Burnham | 3,464.95 mi (5,576.30 km) |
| Middlesex to Burnham-on-Sea | 3,375.31 mi (5,432.04 km) |
