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Distance between almost antipodes cities

Question asked by tam_39 on Sep 16, 2017
Latest reply on Nov 7, 2017 by Dan_Patterson

Hello!

I would like to calculate distances between different pairs of cities that are almost at their antipodes. I was wondering if ArcGIS takes into account that given that the globe is not flat, there is two ways to reach the antipodes and one option is shortest of the other. For example I can calculate the distance from Lisbon to Auckland with a line that crosses Asia, or via a line that crosses America. I believe that the distance calculated via Asia, in this case, is longer that the one I would have via America. Does ArcGIS take into account this issue? And how can I address this issue in my analysis? Thank you.

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