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 FileMaker Pro Custom Functions

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HaversineDistance ( latx ; lony ; laty ; lony ; units )

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  Average rating: 4.5  (27 votes)
  Discuss this Custom Function

john renfrew, attitude

compute shortest distance

Sample Input:
HaversineDistance ( 36.12 ; -86.67 ; 33.94 ; -118.4 ; "" )
Sample Output:
1794 mi 105.88 yds

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.


The haversine formula is an equation important in navigation, returning great-circle distances between two points on a sphere from their longitudes and latitudes.

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


Just to repay the compliment John, you a typo or 2!

HaversineDistance ( latx ; lony ; lat y ; lony ; units )
should be

HaversineDistance ( latx ; lonx ; laty ; lony ; units )?


Tim Anderson, Larbert
March 04, 2015 1:53pm

Well spotted Mr Darcy...
Jeremy Bante's custom function uses the more complex Andoyer-Lambert-Thomas method if the coordinates are in the WGS84 coordinate system, and is more accurate, but this is within 99.98% of that, so for use in short distance calculations is as effective tomFunctions/Location/LocationDistanceValues.fmfn

john renfrew, curdworth
March 04, 2015 4:58pm

Make a comment about this Custom Function (please try to keep it brief & to the point). Anyone can post:

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Answer 7 + 6 =
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