iphone - find road distance between current location and specified location -

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i wants calculate road distance between current location , other location. (xml/json google direction or anyother) api use (if any) or right way this.?

before try following. wants road distance

thanks.

cllocation *location1 = [[cllocation alloc] initwithlatitude:lat1 longitude:long1];  cllocation *location2 = [[cllocation alloc] initwithlatitude:lat2 longitude:long2];  nslog(@"distance in meters: %f", [location1 getdistancefrom:location2]);

use google direction json api have provide intital location detail , final location. inside leg array of json distance dictionary in have distance between 2 locations.


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