20 feet 9 inches, same as all NCAA three point lines
In the NBA it's around 23 ft., in the NCAA it's around 20 ft.
23ft 9ins. :NBA, and 20ft 9in in the NCAA, from behind the arc to the center of the goal as measured horizontally.
To the three point line.
21 feet 9 inches for NCAA 19 feet 9 inches for High School and women's NCAA. 23 feet 9 inches for the NBA (Men's).