| Cities | Distance |
|---|---|
| Northolt to Ayamonte | 1,049.10 mi (1,688.37 km) |
| Northolt to Azcoitia | 585.17 mi (941.74 km) |
| Northolt to Azpeitia | 584.66 mi (940.93 km) |
| Northolt to Azuqueca de Henares | 771.24 mi (1,241.19 km) |
| Northolt to Badajoz | 931.40 mi (1,498.95 km) |
| Northolt to Badalona | 709.53 mi (1,141.88 km) |
| Northolt to Baena | 981.50 mi (1,579.56 km) |
| Northolt to Baeza | 949.15 mi (1,527.50 km) |
| Northolt to Bailen | 944.74 mi (1,520.41 km) |
| Northolt to Balaguer | 676.37 mi (1,088.51 km) |
| Northolt to Banolas | 667.86 mi (1,074.81 km) |
| Northolt to Baranain | 607.37 mi (977.47 km) |
| Northolt to Barbadanes | 730.28 mi (1,175.27 km) |
| Northolt to Barbastro | 657.53 mi (1,058.20 km) |
| Northolt to Barcelona | 712.54 mi (1,146.73 km) |