Jennifer Aniston side parts are perfect for long faces. Technically it breaks down the symmetry of the face by making it a bit wider.
Having short hairs can also work for long faces. But women have to be careful that over doing of shortness can make you look shabby. It requires special skills for a dresser to cut short hairs for women with a long face. Leaving hairs around the hairs is a very good technique when it comes to short hairs.