In article ,
says...
writes:

Close enough to be safe and satisfy the tower, since in real life those
are the relevant criteria.

What was the exact figure? 3.2 miles? 3.0004 miles? 4.5 miles?

Why do you think an exact figure is important?

If you were a real pilot, you'd know the answer, and wouldn't post such
a silly question.

--
Duncan