| Unna to Brandenburg | 214.95 mi (345.93 km) |
| Unna to Brandis | 212.33 mi (341.71 km) |
| Unna to Braunfels | 76.54 mi (123.17 km) |
| Unna to Braunsbedra | 182.29 mi (293.37 km) |
| Unna to Braunschweig | 130.72 mi (210.38 km) |
| Unna to Breckerfeld | 20.85 mi (33.55 km) |
| Unna to Breisach am Rhein | 241.97 mi (389.41 km) |
| Unna to Bremen | 116.84 mi (188.03 km) |
| Unna to Bremerhaven | 144.22 mi (232.11 km) |
| Unna to Bremervorde | 147.69 mi (237.69 km) |
| Unna to Bretten | 178.36 mi (287.04 km) |
| Unna to Bretzfeld | 179.73 mi (289.25 km) |
| Unna to Brieselang | 236.91 mi (381.27 km) |
| Unna to Brilon | 39.03 mi (62.82 km) |
| Unna to Bruchhausen-Vilsen | 105.52 mi (169.82 km) |
