Originally Posted by kaiju-velo

There should be tons of bikes in the 54 cm to 56 cm size
(that's center of bottom bracket to the top of the seatpost)
size that should fit you. I say start scouring local thrift/stores,
swap meets, etc. in widening circles looking for old vintage bikes
with decals that indicate the tubing. . .

But the Mercier/Flite is a fun bike if you go that route.