Google Maps Api

Hello,

I need someone know google Maps API. I have a search query that will need to be fix to locate posts that are made on my site and narrow down the search to specific radius of a specific location.

Lunk to image:

https://drive.google.com/file/d/1VjbUXoTHvfiIu24fRMrUY4HV-_5xEg0c/view?usp=sharing

Thanks,