If you can manage a drive to Missoula, there's a nice Schwinn Passage in your size (
link):
Schwinn Passage touring bike - $250
Schwinn Passage 18-speed touring bike, 1980s in very nice condition. Columbus Tenax chrome-moly double butted main tubes, 23-inch (58 cm) steel frame. The original components give this made-in-USA Schwinn an international pedigree:
Sachs Huret rear derailler and shift levers
Suntour XC Sport front derailler
Sakae CX triple cranks
DiaCompe brake handles, cantilever brakes
San Marco saddle
Sakae handlebars
Weinmann alloy wheels with Maillard quick-release hubs
Features a Blackburn rack and Mt. Zefal air pump
Tuned up and ready to hit the road.
Not the sexiest, but a great bike for paved and gravel.