How to compare the position of 2 points on the map?

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ebroker2019-03-30 16:42:22

satellite navigation

ebroker, 2019-03-30 16:42:22

There is a point on Google maps with coordinates for example 55.789765,49.165810
There is a second point with coordinates 55.793937, 49.123834
How to determine that the second point is not further than 100 meters from the first. Well, that is, if the first point is the center of a circle with a radius of 100 meters, then the second point falls into this circle.

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2 answer(s)

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ebroker, 2019-03-31
@ebroker

Detailed answer to the question with sample code
https://www.movable-type.co.uk/scripts/latlong.html