Originally Posted by
boomhauer
I would suggest a large inland lake area with bike paths. Some places, paths go in either direction along the shore for 30-40 miles. Mostly flat.
On a ride from Havre, MT to Duluth, MN I went on the Paul Bunyan Trail. I met a couple on the path, from SoCal, who'd come to that spot for just the reasons you say. It fits [MENTION=225616]boomhauer[/MENTION]'s suggested terrain as well. They were staying with a B&B host who would ferry them to a particular location and they'd ride back during the day. There are a lot paved bike path miles in that immediate area.
https://www.leechlake.org/blog/2016/...leech-lake-mn/