| Donegal to Brandenburg | 858.40 mi (1,381.47 km) |
| Donegal to Brandis | 888.00 mi (1,429.09 km) |
| Donegal to Braunfels | 746.82 mi (1,201.90 km) |
| Donegal to Braunsbedra | 861.27 mi (1,386.09 km) |
| Donegal to Braunschweig | 781.31 mi (1,257.39 km) |
| Donegal to Breckerfeld | 687.49 mi (1,106.41 km) |
| Donegal to Breisach am Rhein | 814.46 mi (1,310.75 km) |
| Donegal to Bremen | 695.65 mi (1,119.55 km) |
| Donegal to Bremerhaven | 678.94 mi (1,092.65 km) |
| Donegal to Bremervorde | 701.99 mi (1,129.74 km) |
| Donegal to Bretten | 813.13 mi (1,308.60 km) |
| Donegal to Bretzfeld | 834.62 mi (1,343.20 km) |
| Donegal to Brieselang | 873.46 mi (1,405.70 km) |
| Donegal to Brilon | 726.69 mi (1,169.49 km) |
| Donegal to Bruchhausen-Vilsen | 708.51 mi (1,140.24 km) |
