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Since the earth is a globe, some air routes are shorter when the flight goes over the Arctic. Those flights take a part of the "great circle" and shave off hours of distance. In fact great circle routes are applicable anywhere on the globe because they are the shortest routes between any two points.

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10y ago

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Why is the great circle route often used in navigation?

I don't know, HA


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Because on a globe, a great-circle route is the shortest route between two places.


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