1. A system for determining a distance to a region of interest comprising: a first camera configured to have a first field of view; a second camera configured to have a second field of view that overlaps at least a portion of the first field of view; a control device configured to allow a user to select a region of interest in the at least a portion of the first field of view that overlaps the second field of view; a processor configured to calculate a distance of the selected region of interest relative to a location by comparing a position of the selected region of interest in the first field of view with a position of the selected region of interest in the second field of view; and a display device configured to produce a display of the distance calculated by the processor.