There are
790 mi
from Rochester Hills, MI to Leavenworth, KS
That's the driving distance. It would take 14 hours 57 mins to go from Rochester Hills, Michigan to Leavenworth, Kansas.
The flight distance (direct flight from Rochester Hills, MI to Leavenworth, KS) is 655.44 mi.
790 mi = 1,271.86 kms