The given sentence indicates a direction.
The preposition 'to' is used to indicate a direction. Thus option D is the correct answer.
At is used to indicate a point of time or place, state, direction. age or occupation, degree; For is used to indicate a space of time, use of something, to show who is intended to have or use something; With is used to indicate means, possession, contents, relationship, for and against.
Thus options A,B,C are incorrect.