I recall spending weeks with charts spread out on the floor, struggling with the factthat charts printed on both sides can't be laid out to see the whole trip at once. I usedup a small ball of string plotting straight line courses, squinted at a protractor todetermine headings, and drew ragged lines on the charts themselves so I would rememberwhere I left off when I started the process again the next day.
This is a companion discussion topic for the original entry at https://www.avweb.com/ownership/destination-direct-flight-planning-software