No, it is not possible. From the Equator (zero degrees latitude) to the South Pole (90 degrees south) means that 120 degrees south is not impossible.Even if we swopped things around: 30°00'00.0"S 120°00'00.0"W we end up in the South Pacific Ocean. The nearest land is the Pitcairn Islands 24.3768° S, 128.3242° W, quite a distance away.