 GreatCircle
 GreatCircle 
 Location distance calculator
 A set of reusable functions for calculating distances and bearings between geographic locations
A concise collection of classes for PHP, Python, JavaScript, Ruby and Go to calculate great circle distance, bearing, and destination from geographic coordinates
78 stars
 9 watching
 14 forks
 
Language: PHP 
last commit: over 3 years ago 
Linked from   1 awesome list  
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