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I want to get nearby cities from current location depending upon distance, e.g, cities in radius of 100km,200km etc using the gps of iphone. How can i determine these cties as gps only gives the details of the current location.
Thanks in advance
You need to have a database of the cities in your program, with their coordinates.
You’ll read the coordinates of the iphone from the GPS, and then find the x closest cities to you by simple math (see this answer for an example)