Currently still based on the range of 150-800.
This should be reduced.
Furthermore, we should check all districts and then take the 10 closest.
Since getting the driving distance takes a long time, we should first do some filtering based on the air distance and then driving distance
Currently still based on the range of 150-800. This should be reduced. Furthermore, we should check all districts and then take the 10 closest. Since getting the driving distance takes a long time, we should first do some filtering based on the air distance and then driving distance