Mr. Z starts from Point A and drives 3 km towards the west. He then takes a right turn, drives 2 km, turns right and drives 4 km. He then takes a right turn and drives 3 km. He takes a final right turn, drives 1 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)
A3 km towards the east
B1 km towards the south
C2 km towards the west
D1 km towards the north