Trek on 4/6/2010 11:31:20 AM:
Search for these two threads here on bikekatytrail titled: Best bike route Chanute, KS to Clinton, MO and Girard, KS on TransAM route to Clinton, MO.
Google maps travel by bike feature may be an option...it's been recently talked about on crazyguyonabikedotcom. There is also information there on planning a bike route in Google maps and then the conversion to upload to your GPS.