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DistanceFromLocation错误

CLLocation *useOne = [[CLLocation alloc] initWithLatitude:40.074744 longitude:116.240179];

CLLocation *useTwo = [[CLLocation alloc] initWithLatitude:40.079106 longitude:116.243469];

CLLocationDistance distance = [useOne distanceFromLocation:useTwo];
NSLog(@"%d",distance);
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但我得到的结果是"距离= 1921570242"米.绝对这个结果是不正确的.

那我在哪里错了?

ios

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