A new and distinct cultivar of Campanula plant named `PKMFOR168`, characterized by having upright, compact plant habit; dense and bushy plant form, mainly due to short, upright and stiff stems; vigorous growth habit, but with no need for chemical growth retardation; higher number of flowers per plant; more cuttings on each stock plant; reduced need for cold treatment after flower induction; shorter period for forcing the flowers after the cold treatment; and deep violet-blue colored flowers.