Let us use the figure below to have a better understanding.
The above figure shows a car traveling from point A to H. There between distance and displacement. The distance traveled by the car, from point A to point H, is the total length of the path A-B-C-D-E-F-G-H.
On the other hand, the displacement of the car, from point A to point H, is the length of the path, AH with the direction of H from A stated.