Bondsmen should know the person for whom they are signing a bond. They probably trust them as well–or at least they should.
The residences of bondsmen are potential clues as to the general area where the person for whom they signed the bond lived. Depending upon what you know–that could be helpful. In 1903, Herman Haase had two men serve as his bondsmen on his bond. Herman lived nearly twenty miles from where the estate’s property was located. His bondsmen lived near him–not near where the property was located–because they knew him.