A lot of yarn stores have groups or classes. Ours has multiple. Lasses plus social knitting nights. If you don't have a yarn store local you could try googling for meetup or stitch and bitch groups.
I just did a quick search on Google maps and found this-
http://www.dailyknitter.com/shop_det...lathe&state=KS
Olathe looks like a pretty good size town at least on the map. There were a few other places as well.