Thanks for commenting and your feedback!
That is a good suggestion. Right now they find the next tree closest to where they left off. Maybe they should instead find the next tree that is closest to the initial order, so it doesn't feel like they're ending up in the middle of nowhere. Then if you order to chop in an area of marshland, they will at least stick around in that area.
We're prioritising the foundation over content for now, but when we've reached a certain point in development, we'll definitely focus on adding more content!