| Northolt to Blumberg | 472.79 mi (760.89 km) |
| Northolt to Bobenheim-Roxheim | 406.18 mi (653.68 km) |
| Northolt to Bobingen | 546.21 mi (879.03 km) |
| Northolt to Boblingen | 459.96 mi (740.23 km) |
| Northolt to Bocholt | 299.79 mi (482.47 km) |
| Northolt to Bochum | 326.06 mi (524.74 km) |
| Northolt to Bockenem | 449.68 mi (723.70 km) |
| Northolt to Bockhorn | 375.20 mi (603.83 km) |
| Northolt to Bogen | 603.91 mi (971.90 km) |
| Northolt to Bohl-Iggelheim | 409.95 mi (659.75 km) |
| Northolt to Bohmte | 373.95 mi (601.82 km) |
| Northolt to Boizenburg | 482.86 mi (777.10 km) |
| Northolt to Bonen | 348.93 mi (561.55 km) |
| Northolt to Bonn | 328.52 mi (528.70 km) |
| Northolt to Bopfingen | 508.72 mi (818.70 km) |
