| Northolt to Belvedere Marittimo | 1,133.41 mi (1,824.05 km) |
| Northolt to Benevento | 1,016.05 mi (1,635.18 km) |
| Northolt to Bergamo | 610.37 mi (982.30 km) |
| Northolt to Bernalda | 1,118.16 mi (1,799.51 km) |
| Northolt to Bertinoro | 770.97 mi (1,240.75 km) |
| Northolt to Besana in Brianza | 597.06 mi (960.88 km) |
| Northolt to Besozzo | 569.10 mi (915.87 km) |
| Northolt to Biancavilla | 1,213.00 mi (1,952.14 km) |
| Northolt to Biassono | 599.83 mi (965.34 km) |
| Northolt to Bibbiano | 688.55 mi (1,108.12 km) |
| Northolt to Bibbiena | 782.96 mi (1,260.06 km) |
| Northolt to Biella | 564.60 mi (908.63 km) |
| Northolt to Bisceglie | 1,069.35 mi (1,720.95 km) |
| Northolt to Bisignano | 1,152.56 mi (1,854.87 km) |
| Northolt to Bitetto | 1,088.64 mi (1,751.99 km) |
