## LatLon distance

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Find distance between two points based on latlon coordinates

Updated Tue, 30 Oct 2012 19:27:13 +0000

This functions finds distance (in km) between two points on Earth using latitude-longitude coordinates of the two points. Distance is calculated using two distance funstions: Haversine and Pythagoran. The first output is based on Haversine function, which is more accurate especially for longer distances.

--Inputs:
latlon1: latlon of origin point [lat lon]
latlon2: latlon of destination point [lat lon]

--Outputs:
d1km: distance calculated by Haversine formula
d2km: distance calculated based on Pythagoran theorem

--Example 1, short distance:
latlon1=[-43 172];
latlon2=[-44 171];
[d1km d2km]=distance(latlon1,latlon2)
d1km =
137.365669065197 (km)
d2km =
137.368179013869 (km)
%d1km approximately equal to d2km

--Example 2, longer distance:
latlon1=[-43 172];
latlon2=[20 -108];
[d1km d2km]=distance(latlon1,latlon2)
d1km =
10734.8931427602 (km)
d2km =
31303.4535270825 (km)
d1km is significantly different from d2km (d2km is not able to work for longer distances).

### Cite As

M Sohrabinia (2023). LatLon distance (https://www.mathworks.com/matlabcentral/fileexchange/38812-latlon-distance), MATLAB Central File Exchange. Retrieved .

##### MATLAB Release Compatibility
Created with R2008b
Compatible with any release
##### Platform Compatibility
Windows macOS Linux