There are
1,900 mi
from Santa Maria, CA to Ottumwa, IA
That's the driving distance. It would take 1 day 9 hours to go from Santa Maria, California to Ottumwa, Iowa.
The flight distance (direct flight from Santa Maria, CA to Ottumwa, IA) is 1,575.18 mi.
1,900 mi = 1.61 kms