| Northolt to Bollullos par del Condado | 1,027.00 mi (1,652.79 km) |
| Northolt to Bormujos | 1,018.44 mi (1,639.02 km) |
| Northolt to Brenes | 1,003.51 mi (1,615.00 km) |
| Northolt to Brunete | 789.32 mi (1,270.28 km) |
| Northolt to Bueu | 750.07 mi (1,207.13 km) |
| Northolt to Bullas | 934.69 mi (1,504.24 km) |
| Northolt to Bunol | 838.16 mi (1,348.89 km) |
| Northolt to Burela de Cabo | 635.70 mi (1,023.06 km) |
| Northolt to Burgos | 654.99 mi (1,054.10 km) |
| Northolt to Burjasot | 831.91 mi (1,338.82 km) |
| Northolt to Burriana | 805.55 mi (1,296.41 km) |
| Northolt to Cabanaquinta | 632.22 mi (1,017.47 km) |
| Northolt to Cabanillas del Campo | 765.94 mi (1,232.66 km) |
| Northolt to Cabra | 992.82 mi (1,597.79 km) |
| Northolt to Caceres | 881.87 mi (1,419.23 km) |
