375,000 yards
Your question is a bit ambiguous, so I'll go with the notion you're referring to the longest confirmed kill by a sniper. That was achieved with a rifle chambered in .338 Lapua Magnum.
L115A3, otherwise known as the Accuracy International Arctic Warfare. It fires the 8.58x70 cartridge (also known as .338 Lapua Magnum), and the shots made actually exceeded the projected range of the rifle.
The longest shot he has ever taken was 9,892 miles from Japan to Saudi Arabia.
@ 2000 and 2400 M
Accurate and effective to about 175-200 yards.
Donerail in 1913
the longest slapshot ever taken by a professional hockey player was on January 4th 1998in russia it streched the full 180 feet from the goal line into the Russian net
Ashley harding record is 77 ft
The Toronto Raptors, they past the Miami Heat who previously held the record back in 2006.
Top Shot - 2010 The Longest Shot 4-9 was released on: USA: 10 April 2012
The 2Nd longest sniper Shot ever taken place was By a Canadian sniper on tour in Afghanistan, rack up two kills from about 2.5miles! and finally the farthest sniper kill was from a British solider also on tour in Afghanistan taking a life at about 3.1miles!
definitely not the head!