| Harrow to Brandenburg | 550.15 mi (885.38 km) |
| Harrow to Brandis | 557.26 mi (896.83 km) |
| Harrow to Braunfels | 386.02 mi (621.25 km) |
| Harrow to Braunsbedra | 527.30 mi (848.60 km) |
| Harrow to Braunschweig | 464.82 mi (748.06 km) |
| Harrow to Breckerfeld | 337.16 mi (542.60 km) |
| Harrow to Breisach am Rhein | 429.96 mi (691.95 km) |
| Harrow to Bremen | 399.51 mi (642.95 km) |
| Harrow to Bremerhaven | 398.55 mi (641.40 km) |
| Harrow to Bremervorde | 419.11 mi (674.49 km) |
| Harrow to Bretten | 436.11 mi (701.85 km) |
| Harrow to Bretzfeld | 461.23 mi (742.28 km) |
| Harrow to Brieselang | 570.03 mi (917.38 km) |
| Harrow to Brilon | 383.48 mi (617.16 km) |
| Harrow to Bruchhausen-Vilsen | 404.72 mi (651.34 km) |
