There are
2,406 mi
from Rochester Hills, MI to Rohnert Park, CA
That's the driving distance. It would take 1 day 18 hours to go from Rochester Hills, Michigan to Rohnert Park, California.
The flight distance (direct flight from Rochester Hills, MI to Rohnert Park, CA) is 2,080.09 mi.
2,406 mi = 3.22 kms