There are
1,550 mi
from Irvine, CA to Topeka, KS
That's the driving distance. It would take 1 day 2 hours to go from Irvine, California to Topeka, Kansas.
The flight distance (direct flight from Irvine, CA to Topeka, KS) is 1,280.91 mi.
1,550 mi = 1.61 kms