There are
1,555 mi
from Antioch, CA to Hays, KS
That's the driving distance. It would take 1 day 2 hours to go from Antioch, California to Hays, Kansas.
The flight distance (direct flight from Antioch, CA to Hays, KS) is 1,214.92 mi.
1,555 mi = 1.61 kms