Distance Matrix returns wrong record/result when using Linear Distance Matrix with k=1 #45493

What is the bug or the crash?

Hi,
I am doing distance analysis between two points group, through linear distance matrix (k=1), semplifying:

group A (single point):
lat 37.324500
lon 13.578444

group B (two points):
lat1 37.323550
lon1 13.59229
lat2 37.31261
lon2 13.578999

the minimun distance from the point in group A is actually from lat1/lon2 point (1231 meters), but Qgis provide the lat2/lon2 point (1320 meters) as minimum distance.

Why does it happen?
Thank you

Steps to reproduce the issue

Linear Distance Matrix, k=1

Versions

3.6.3-Noosa

Supported QGIS version

• I'm running a supported QGIS version according to the roadmap.

New profile

• I tried with a new QGIS profile

Additional context

No response