A lot of people won't fully fuel up their 172 so they can bring more weight, either baggage or passengers. I don't think anyone would fly 6.5 hours in one eith

A lot of people won't fully fuel up their 172 so they can bring more weight, either baggage or passengers. I don't think anyone would fly 6.5 hours in one either, but 2+ is normal for non-training flights.