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I have a website where users start by entering their zipcode.
I have a table with different shops which also contain the zip codes belonging to the shops.
Is it possible to get the zip codes within let’s say a 5 km radius of the zip entered by the user?
So I can query the database and find all the shops near the user.
Can I use Google Maps for this? Should I get my hands on a pre-computed list of all zipcodes (single country) and their coordinates? Any other suggestions?
You’ll need that latitude and longitude of each zipcode, and then use the Haversine Formula to get the approximate distance.