for i in 0..<(dataArray - 1) {
            let coordinate1 = CLLocation(latitude: (dataArray[i] as AnyObject).value(forKey: "addressLatitude") as! CLLocationDegrees, longitude:  (dataArray[i] as AnyObject).value(forKey: "addressLongitude") as! CLLocationDegrees)
            let coordinate2 = CLLocation(latitude: (dataArray[i+1] as AnyObject).value(forKey: "addressLatitude") as! CLLocationDegrees, longitude:  (dataArray[i+1] as AnyObject).value(forKey: "addressLongitude") as! CLLocationDegrees)

            var distance: CLLocationDistance? = nil
            distance = coordinate1.distance(from: coordinate2)
            let kilometers = CLLocationDistance((distance ?? 0.0) / 1000.0)
            print(kilometers)
        }