How far apart are the NFL field goal posts?
The goal posts @ Collegiate and Professional levels are 18'6"
(eighteen feet & six inches) apart, supended by a crossbar
which is 10' (ten feet) off the ground. The uprights (the two
posts) extend 30' (thirty feet) into the air, making for a total
height of the goal posts of 40' (forty feet) off the ground in
total.