Make sure you upgrade the handles and locks to anti snap locks and secured by design pas 24 type handles.
If you get the distance between the lock cylinder and spindle distance right then the screw distance dont matter os much if the are further apart.you just drill new screw holes and the handles cover the old ones anyway.
Cylinder snapping is a real threat to this kind of door and makes them very easy to get into if you havent fitted antisnap cylinders.Even a cheap anit snap cylinder is better than a non antisnap cylinder.
Without it your door can be opened in under a minute with a screwdriver and molegrips.