There are
1,620 mi
from Porterville, CA to Topeka, KS
That's the driving distance. It would take 1 day 4 hours to go from Porterville, California to Topeka, Kansas.
The flight distance (direct flight from Porterville, CA to Topeka, KS) is 1,290.63 mi.
1,620 mi = 2,606.99 kms