In Spotlight, holding down Cmd for a second will reveal the path of a selected file/app.

In Finder, you can show the "path bar" via Cmd-Opt-P (or View > Show Path Bar), which will show the path of selected files in any Finder window, including searches: https://i.imgur.com/jXWYEnQ.png

One final tip: Cmd-Opt-C in Finder will copy the pathname of a selected file. Sadly this does not work in file select sheets.

It does. Under View, select "Show Path Bar."

You can see it if you enable the pathbar (view, show path bar), then select the search result.

Or hold option for a second

holy heck, yes!