I've resorted to trying to figure out the shortcut names I can just type into the win+r prompt to get to a certain submenu.

e.g.:

  win+r:
    desk.cpl -> monitor resolution/refresh rate settings
    main.cpl -> mouse/keyboard settings
    mmsys.cpl -> audio device settings
    ms-settings: -> new Settings page (the : is required)

I recall being able to access a sub-page by adding something after 'ms-settings:' but I haven't yet figured out how to discover the names of the pages.