There are
1,771 mi
from Carlsbad, CA to Marshalltown, IA
That's the driving distance. It would take 1 day 7 hours to go from Carlsbad, California to Marshalltown, Iowa.
The flight distance (direct flight from Carlsbad, CA to Marshalltown, IA) is 1,465.40 mi.
1,771 mi = 1.61 kms