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I'm trying to get a distance matrix though QGIS, I have two different point layers to run the distance matrix and have input and target layers correct, output matrix type is Linear(n*k x 3) Use only the nearest (k) target points.

Once saving the CSV file the results are not correct, for example a input point and target point has a distance of 149.5429 when the measured distance is actually 33.662 see below. 

Southern Cross  Werribee    149.5428661
Flinders Street Werribee    149.5428661
North Melbourne Werribee    149.5428661
Footscray       Werribee    149.5428661
Sunshine        Werribee    149.5428661
Ginifer         Werribee    149.5428661

I've checked that the CRS is correct for both point layers and I am still getting this error.

Can somebody please help me through this.

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  • What CRS are you using for your layers?
    – user21482
    Commented Feb 5, 2015 at 5:33
  • 2
    Do you have any idea why all of your distances are apparently the same? That's probably the real hint about the problem, rather than the distance being "wrong".
    – alphabetasoup
    Commented Feb 5, 2015 at 7:07
  • Also check that the CRS is the same for your Projection and try disabling 'on-the-fly' CRS (Project > Project Properties > CRS)
    – Joseph
    Commented Feb 5, 2015 at 11:31

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