There are
1,796 mi
from Topeka, KS to Watsonville, CA
That's the driving distance. It would take 1 day 7 hours to go from Topeka, Kansas to Watsonville, California.
The flight distance (direct flight from Topeka, KS to Watsonville, CA) is 1,422.45 mi.
1,796 mi = 1.61 kms