Runtime error value (29.639497) has wrong type (gnu.math.DFloNum) (expected:integer)

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To calculate distances use the haversine formula…
There is also an extension available

DistanceCalc : Calculate distance between two places from coordinates

Well… I am here to present my first extension (ever) to this community. As you have read in title DistanceCalc calculates distance (sometimes accurate) between two places from coordinates (latitudes and longitudes). Blocks Just a single block… [12-19_17_29] Usage It has just one function/block as you can see in above screenshot. [12-19_18_00] It accepts four coordinates in format like lat1,lng1,lat2, and lng2 and all of them should be integers(double).It returns distance in KiloMetres. …

Taifun