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 FileMaker Pro Custom Functions

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

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  Average rating: 4.4  (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.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed


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

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Answer 2 + 6 =
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