| Welwyn Garden City to Blumberg | 475.38 mi (765.05 km) |
| Welwyn Garden City to Bobenheim-Roxheim | 404.35 mi (650.73 km) |
| Welwyn Garden City to Bobingen | 545.63 mi (878.10 km) |
| Welwyn Garden City to Boblingen | 460.01 mi (740.31 km) |
| Welwyn Garden City to Bocholt | 290.75 mi (467.91 km) |
| Welwyn Garden City to Bochum | 318.32 mi (512.28 km) |
| Welwyn Garden City to Bockenem | 439.96 mi (708.05 km) |
| Welwyn Garden City to Bockhorn | 361.44 mi (581.68 km) |
| Welwyn Garden City to Bogen | 600.68 mi (966.70 km) |
| Welwyn Garden City to Bohl-Iggelheim | 408.80 mi (657.90 km) |
| Welwyn Garden City to Bohmte | 363.15 mi (584.43 km) |
| Welwyn Garden City to Boizenburg | 469.99 mi (756.38 km) |
| Welwyn Garden City to Bonen | 340.66 mi (548.23 km) |
| Welwyn Garden City to Bonn | 323.72 mi (520.98 km) |
| Welwyn Garden City to Bopfingen | 507.18 mi (816.23 km) |
