Two On A Big Ocean The Story of the First Circumnavigation
of the Pacific Basin
in a Small Sailing Ship


      

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RE: Formula for dis. between two points on the Globe


Subject: RE: Formula for dis. between two points on the Globe
From: Bruce Bowler (bowler@XXX.XXX)
Date: Mon Oct 21 1996 - 10:35:33 EDT


Vincent Rouwhorst <106016.1607@XXX.XXX> writes:
>Hello,
>
>Is there somebody that hase the Formula to calculate the distans
>between two points on the globe.
>
>eg. 52 29.66N and 52 32.86N
> 005 02.45E 004 40.67E
>
>My GPS tells me that it is 13.6nm CTS106

dist = 6366.7*Arccos(sin(lata)*sin(latb)+cos(lata)*cos(latb)*cos(lonb-lona))

Dist is in NM, 6366.7 is (180/pi)*60*1.852. If your arccos function returns
degrees rather than radians, adjust accordingly.

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| Bruce Bowler | Great spirits have always found | Usual |
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