There are
1,859 mi
from Vallejo, CA to Ottumwa, IA
That's the driving distance. It would take 1 day 7 hours to go from Vallejo, California to Ottumwa, Iowa.
The flight distance (direct flight from Vallejo, CA to Ottumwa, IA) is 1,594.80 mi.
1,859 mi = 1.61 kms