GitHub - dvdoug/PHPCoord: PHPCoord is a PHP library to aid in handling coordinates. It can convert coordinates for a point from one system to another and also calculate distance between points
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qgis - Calculating all distances from GPS route using date time and coordinates for php - Geographic Information Systems Stack Exchange
How do I calculate distance to a spot of interest on the map?
Using a Sextant - Celestaire, Inc.
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manual:user_guide:maps_settings [ Locus Map - knowledge bas]
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How to find nearest locations from a collection of coordinates (latitude and longitude) with PHP, MySQL | Our Code World
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javascript - Function to calculate distance between two coordinates - Stack Overflow
Calculating Distance Between 2 Locations of Latitude & Longitude (PHP, Python, MySQL)
Calculating Distance Between 2 Locations of Latitude & Longitude (PHP, Python, MySQL)
Google Maps API – polylines and distances | Duncan's blog
Calculate the distance between two locations using PHP
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How to calculate distance between two latitude and longitude using PHP - YouTube
Calculating Distance Between 2 Locations of Latitude & Longitude (PHP, Python, MySQL)