| Northolt to Bagnolet | 222.28 mi (357.72 km) |
| Northolt to Bagnols-sur-Ceze | 559.88 mi (901.03 km) |
| Northolt to Bailleul | 145.69 mi (234.46 km) |
| Northolt to Balma | 555.17 mi (893.47 km) |
| Northolt to Bar-le-Duc | 311.04 mi (500.58 km) |
| Northolt to Barentin | 150.05 mi (241.48 km) |
| Northolt to Basse-Goulaine | 303.29 mi (488.10 km) |
| Northolt to Bastia | 764.54 mi (1,230.41 km) |
| Northolt to Bayeux | 157.40 mi (253.31 km) |
| Northolt to Bayonne | 559.05 mi (899.70 km) |
| Northolt to Beaucaire | 583.05 mi (938.33 km) |
| Northolt to Beauchamp | 208.30 mi (335.23 km) |
| Northolt to Beaumont | 430.18 mi (692.31 km) |
| Northolt to Beaumont-sur-Oise | 203.23 mi (327.06 km) |
| Northolt to Beaune | 390.60 mi (628.61 km) |
