A display system for a work machine includes a display and a controller. The controller is configured to acquire machine position data indicative of a position of the work machine, and to acquire a separation distance in a width direction of a revolving body between a work point of a work implement and the revolving axis. The work point is disposed at a work tool of the work implement. The controller is configured to acquire target position data indicative of a target position of the work implement, and to cause the display to display a guide screen including a guideline indicative of the target position and a guide image indicative of the position of the work machine based on the machine position data and the target position data. The guide image includes a second image indicative of a position spaced from the revolving axis by the separation distance.