| Harrow on the Hill to Blumberg | 472.04 mi (759.67 km) |
| Harrow on the Hill to Bobenheim-Roxheim | 405.00 mi (651.78 km) |
| Harrow on the Hill to Bobingen | 545.15 mi (877.34 km) |
| Harrow on the Hill to Boblingen | 458.96 mi (738.62 km) |
| Harrow on the Hill to Bocholt | 298.06 mi (479.67 km) |
| Harrow on the Hill to Bochum | 324.41 mi (522.09 km) |
| Harrow on the Hill to Bockenem | 447.91 mi (720.85 km) |
| Harrow on the Hill to Bockhorn | 373.22 mi (600.64 km) |
| Harrow on the Hill to Bogen | 602.62 mi (969.83 km) |
| Harrow on the Hill to Bohl-Iggelheim | 408.83 mi (657.95 km) |
| Harrow on the Hill to Bohmte | 372.11 mi (598.86 km) |
| Harrow on the Hill to Boizenburg | 480.92 mi (773.97 km) |
| Harrow on the Hill to Bonen | 347.25 mi (558.84 km) |
| Harrow on the Hill to Bonn | 327.09 mi (526.39 km) |
| Harrow on the Hill to Bopfingen | 507.57 mi (816.86 km) |
