1. A map information display apparatus that displays a map for a mobile object, said map information display apparatus comprising: a display unit configured to display an image that includes the map and an estimated transit time of a point on the map; a candidate obtainment unit configured to obtain a plurality of candidate points each of which is a candidate for displaying an estimated transit time; a grouping unit configured to divide a map area of the map displayed by said display unit into a plurality of group areas each of which is larger than a predetermined size so that a gap having at least a predetermined width is provided between the plurality of group areas and that at least one of the plurality of group areas includes a part of a road on which the mobile object is currently located, the part of the road being located in a travel direction of the mobile object, and to select, for each of the plurality of group areas divided from the map area, at most a predetermined number of candidate points from among the plurality of candidate points included in each of the plurality of group areas; an estimated time calculation unit configured to calculate an estimated transit time of each of the selected candidate points; and a display control unit configured to cause said display unit to display the image that includes the map, and the each of the selected candidate points and the estimated transit time which is calculated in association with the each of the selected candidate points.