Ok, so if I use plain simple trigonometry there is some inaccuracy. I
can live with that.
Thank you Frank
Frank Weiss wrote:
It's that simple unless you want to account for latitude compression or
obstacles. Latitude compression is usually negligible if the latitude
bounds are small (<0.2 degrees), otherwise use great circle computation,
which involves more calculation. Most nearness calculations are done "as
the bird flies", but such calculations are not true if the path is
limited to roadways or land, such as for cars, walking, or crossing
rivers via bridges.
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