You can go to any article with location data, click the coordinates to go to the geohack page with links to all kinds of data about that location, which includes a link to "List of nearby articles" which takes you back to wikipedia's nearby search for that location. So from the White House page:

1. https://en.wikipedia.org/wiki/White_House ->

2. https://geohack.toolforge.org/geohack.php?pagename=White_Hou... ->

3. https://en.wikipedia.org/wiki/Special:Nearby#/coord/38.89777...