Geolocation By Mileage From a Central Point

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I'm looking to make a Geolocation script to find cities in a radius of X Km from a central point.

What do you mean?

For example, in a combobox I choose a city - Rio Claro / SP - hence from that city I want to select some cities within a radius of 50Km, 100Km and so on.

This choice of KM would also be a combobox for the user's choice.

I do not have any script why I never did this. I actually need instructional links and a foundation to start understanding.

The main city to be chosen would come from the database, which will populate a combobox. And the other cities would also be in the database.

    
asked by anonymous 25.02.2016 / 14:05

0 answers