There are
1,861 mi
from Antioch, CA to Ottumwa, IA
That's the driving distance. It would take 1 day 8 hours to go from Antioch, California to Ottumwa, Iowa.
The flight distance (direct flight from Antioch, CA to Ottumwa, IA) is 1,573.28 mi.
1,861 mi = 1.61 kms