| South Portland to Brandenburg | 3,661.20 mi (5,892.13 km) |
| South Portland to Brandis | 3,697.23 mi (5,950.12 km) |
| South Portland to Braunfels | 3,556.09 mi (5,722.98 km) |
| South Portland to Braunsbedra | 3,671.42 mi (5,908.57 km) |
| South Portland to Braunschweig | 3,588.73 mi (5,775.51 km) |
| South Portland to Breckerfeld | 3,498.34 mi (5,630.03 km) |
| South Portland to Breisach am Rhein | 3,597.54 mi (5,789.69 km) |
| South Portland to Bremen | 3,500.07 mi (5,632.83 km) |
| South Portland to Bremerhaven | 3,479.25 mi (5,599.31 km) |
| South Portland to Bremervorde | 3,501.86 mi (5,635.69 km) |
| South Portland to Bretten | 3,613.11 mi (5,814.73 km) |
| South Portland to Bretzfeld | 3,638.12 mi (5,854.99 km) |
| South Portland to Brieselang | 3,673.79 mi (5,912.39 km) |
| South Portland to Brilon | 3,538.11 mi (5,694.03 km) |
| South Portland to Bruchhausen-Vilsen | 3,514.57 mi (5,656.15 km) |
