There are
1,060 mi
from Cary, NC to Marshalltown, IA
That's the driving distance. It would take 20 hours 14 mins to go from Cary, North Carolina to Marshalltown, Iowa.
The flight distance (direct flight from Cary, NC to Marshalltown, IA) is 872.24 mi.
1,060 mi = 1.61 kms