There are
1,868 mi
from Concord, CA to Ottumwa, IA
That's the driving distance. It would take 1 day 7 hours to go from Concord, California to Ottumwa, Iowa.
The flight distance (direct flight from Concord, CA to Ottumwa, IA) is 1,585.55 mi.
1,868 mi = 1.61 kms