In article , Bill
wrote:

Cherokee Six.
100 pounds in the nose locker, 120 pounds in the aft baggage area.
With full fuel (84 gal/504 pounds), that leaves another 1200 pounds for
up to six people and other stuff in the cabin. Less than six pax
increases the leg room for everyone.
500 nm trip will be 3-4 hours (depending on winds). I usually file for
135 knots on 16 gph.