Just happen to have a B300 US POH to hand. Figures are straight out of the POH without any additional factors.
3000ft strip at SL, 25C, nil wind, nil slope, for the grass Supplement -
(a) takeoff with approach flap
12000 lb TOFL 3304 ft
11500 lb TOFL 3148 ft
11000 lb TOFL 2996 ft
10500 lb TOFL 2847 ft
(b) landing with flap down
15000 lb distance 2850 ft
14000 lb distance 2750 ft
13000 lb distance 2600 ft
... old eyes in small charts notwithstanding.