alt Hacker NewsBecause nautical miles is an angle measurement which then happens to be 1852 meters when you break it down.
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brainwad • yesterday at 11:38 AM
And only 1852m at sea level; since it's an angular distance it's a bit longer in the air and a bit shorter underwater (~ 29 cm per km of elevation change).
A nautical mile is roughly one minute of latitude. Every blue-water sailor has heard "a minute's a mile" -- although that's hardly even half-correct.