There are
1,440 mi
from Topeka, KS to Barstow, CA
That's the driving distance. It would take 1 day to go from Topeka, Kansas to Barstow, California.
The flight distance (direct flight from Topeka, KS to Barstow, CA) is 1,208.75 mi.
1,440 mi = 1.61 kms