There are
1,840 mi
from Novato, CA to Marshalltown, IA
That's the driving distance. It would take 1 day 7 hours to go from Novato, California to Marshalltown, Iowa.
The flight distance (direct flight from Novato, CA to Marshalltown, IA) is 1,583.43 mi.
1,840 mi = 2,961.51 kms