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Posted by Christopher on November 21, 2007, 2:28 pm
How does one calculate the distance between a point at a given lat,lon
and another point at a given lat,lon?
To what precision?

I thought this would be easy, but distances east or west between
degrees of longitude vary, depending on north and south position.

Not only that, but no one seems to agree on the radius of the earth.
so, let's assume we use the data found in the WGS84.

Keep in mind, I am not a mathematical genius :)