gergelypolonkai-web-jekyll/_posts/2013-03-05-haversine-in-mysql.markdown

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---
layout: post
title: "Haversine in MySQL"
date: 2013-03-05T12:49:28Z
permalink: /blog/2013/3/5/haversine-in-mysql
tags: [mysql, development]
published: true
author:
name: Gergely Polonkai
email: gergely@polonkai.eu
---
Just insert it in your database, feed them two Google coordinates, and you get
the distance in kilometres. If you happen to need it in miles, change the
constant `12756.200` in the `RETURN` row to `7922.6` instead.
{% gist gergelypolonkai/bdad1cf2d410853bef35 %}