There are
1,774 mi
from Topeka, KS to Petaluma, CA
That's the driving distance. It would take 1 day 6 hours to go from Topeka, Kansas to Petaluma, California.
The flight distance (direct flight from Topeka, KS to Petaluma, CA) is 1,450.03 mi.
1,774 mi = 1.61 kms