There are
1,814 mi
from Topeka, KS to Sunnyvale, CA
That's the driving distance. It would take 1 day 6 hours to go from Topeka, Kansas to Sunnyvale, California.
The flight distance (direct flight from Topeka, KS to Sunnyvale, CA) is 1,430.06 mi.
1,814 mi = 1.61 kms