documentclass{report}
usepackage{url}

urldef{myparturl}url{https://www.nowhere.org/#part}
urldef{mychapterurl}url{https://www.nowhere.org/#chapter}
urldef{mysectionurl}url{https://www.nowhere.org/#section}
urldef{mysubsectionurl}url{https://www.nowhere.org/#subsection}
urldef{mysubsubsectionurl}url{https://www.nowhere.org/#subsubsection}
urldef{myparagraphurl}url{https://www.nowhere.org/#paragraph}
urldef{mysubparagraphurl}url{https://www.nowhere.org/#subparagraph}

begin{document}

         part[No     sharp]{No     sharp: url{https://www.nowhere.org/part}}
      chapter[No     sharp]{No     sharp: url{https://www.nowhere.org/chapter}}
      section[No     sharp]{No     sharp: url{https://www.nowhere.org/section}}
   subsection[No     sharp]{No     sharp: url{https://www.nowhere.org/subsection}}
subsubsection[No     sharp]{No     sharp: url{https://www.nowhere.org/subsubsection}}
    paragraph[No     sharp]{No     sharp: url{https://www.nowhere.org/paragraph}}
 subparagraph[No     sharp]{No     sharp: url{https://www.nowhere.org/subparagraph}}

         part[Not so sharp]{Not so sharp: myparturl}
      chapter[Not so sharp]{Not so sharp: mychapterurl}
      section[Not so sharp]{Not so sharp: mysectionurl}
   subsection[Not so sharp]{Not so sharp: mysubsectionurl}
subsubsection[Not so sharp]{Not so sharp: mysubsubsectionurl}
    paragraph[Not so sharp]{Not so sharp: myparagraphurl}
 subparagraph[Not so sharp]{Not so sharp: mysubparagraphurl}

         part[       Sharp]{       Sharp: url{https://www.nowhere.org/#part}}
      chapter[       Sharp]{       Sharp: url{https://www.nowhere.org/#chapter}}
      section[       Sharp]{       Sharp: url{https://www.nowhere.org/#section}}
   subsection[       Sharp]{       Sharp: url{https://www.nowhere.org/#subsection}}
subsubsection[       Sharp]{       Sharp: url{https://www.nowhere.org/#subsubsection}}
    paragraph[       Sharp]{       Sharp: url{https://www.nowhere.org/#paragraph}}
 subparagraph[       Sharp]{       Sharp: url{https://www.nowhere.org/#subparagraph}}

end{document}