| Northolt to Brescia | 636.85 mi (1,024.91 km) |
| Northolt to Bressanone | 636.84 mi (1,024.90 km) |
| Northolt to Bresso | 602.10 mi (968.99 km) |
| Northolt to Brindisi | 1,150.89 mi (1,852.17 km) |
| Northolt to Broni | 628.83 mi (1,012.00 km) |
| Northolt to Bronte | 1,204.28 mi (1,938.10 km) |
| Northolt to Brugherio | 605.12 mi (973.84 km) |
| Northolt to Brugnera | 704.22 mi (1,133.33 km) |
| Northolt to Bruino | 576.73 mi (928.15 km) |
| Northolt to Brunico | 644.33 mi (1,036.95 km) |
| Northolt to Brusciano | 1,015.54 mi (1,634.36 km) |
| Northolt to Bucine | 787.59 mi (1,267.50 km) |
| Northolt to Budrio | 730.49 mi (1,175.60 km) |
| Northolt to Busca | 605.10 mi (973.82 km) |
| Northolt to Bussolengo | 662.27 mi (1,065.82 km) |
