I always though it was "dystopian" but your spelling made me check again. Apparently, "distopia" is used in some romance languages like
Spanish - http://es.wikipedia.org/wiki/Distop%C3%ADa
Portuguese - http://pt.wikipedia.org/wiki/Distopia
Italian - http://it.wikipedia.org/wiki/Distopia
I always though it was "dystopian" but your spelling made me check again. Apparently, "distopia" is used in some romance languages like
Spanish - http://es.wikipedia.org/wiki/Distop%C3%ADa
Portuguese - http://pt.wikipedia.org/wiki/Distopia
Italian - http://it.wikipedia.org/wiki/Distopia