Earth Distance Calculator

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Instructions inside...
You can check how accurate it is here:

Notes and Credits

This project finds how far, on Earth, two places are given their latitude and longitude. Its not the simple 3D Pythagoras, but rather, a formula called the Spherical Law of Cosines. Also it is based on the Haversine formula. Thanks to @DadOfMrLog for telling me how to do this.

Latitude 90 = North Pole
Latitude -90 = South Pole
Latitude is up and down, Longitude is around the equator.

Keywords: earth distance flying calculator haversine formula trigonometry math maths geo geography planet sphere spherical latitude longitude curve

Shared: 19 Jun 2016 Modified: 3 Nov 2018
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