SOLUTION: Given that San Francisco, CA is located at 38N and 122W, and Athens, Greece is located at 38N and 24E. What is the shortest flight distance in kilometers between these two cities?

Question 1135266: Given that San Francisco, CA is located at 38N and 122W, and Athens, Greece is located at 38N and 24E. What is the shortest flight distance in kilometers between these two cities?
Answer by ikleyn(53339) (Show Source): You can put this solution on YOUR website!
.

    The great-circle distance is the shortest distance between two points on the surface of a sphere, 
    measured along the surface of the sphere.


    Wikipedia,  https://en.wikipedia.org/wiki/Great-circle_distance

To calculate the requested distance, I used an online "great circle calculator" from the Internet site
https://www.cactus2000.de/uk/unit/massgrk.shtml

After inputting the given latitudes and longitudes, the calculator returned the distance of 10875 kilometers.
assuming the Earth radius of 6371.0 km.

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