There are
1,780 mi
from Topeka, KS to Rohnert Park, CA
That's the driving distance. It would take 1 day 6 hours to go from Topeka, Kansas to Rohnert Park, California.
The flight distance (direct flight from Topeka, KS to Rohnert Park, CA) is 1,452.08 mi.
1,780 mi = 1.61 kms