Ohio - #22
found a nice route along the Maumee river
https://www.strava.com/activities/11948121208
Rhode Island - #20
Vivian has a summer internship and I did one day of the the local Bike MS
2 parts
https://www.strava.com/activities/11607770589
https://www.strava.com/activities/11606350416
North Carolina - #16
One of the days on the Mountains to Coast tour had a century option
https://www.strava.com/activities/9984129716