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# How far away is the horizon? In other words, when standing on a flat surface with no natural or man made obstructions in your view, exactly how far can you see before the curvature of the earth makes it impossible to see any further?

Question #99645. Asked by gfmk23. (Sep 23 08 3:34 PM)

zbeckabee

AT SEA:

As you can see by the following, it varies (in part) by the height of the eye:

Height of eye (specify units): 5.6 (Decimal)
feet meters

Distance to the Horizon: 2.7663589065773806 (Nautical Miles) 3.1852173552208334 (Statute Miles)

Height of eyes: 5.0 feet
2.6139634656972545 Naut. Miles
3.0097474977147174 Stat. Miles

Calculator for sea:

http://www.boatsafe.com/tools/horizon.htm

 Sep 23 08, 3:50 PM

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