There are
1,806 mi
from Topeka, KS to Redwood City, CA
That's the driving distance. It would take 1 day 6 hours to go from Topeka, Kansas to Redwood City, California.
The flight distance (direct flight from Topeka, KS to Redwood City, CA) is 1,439 mi.
1,806 mi = 1.61 kms