Miles between Great Falls, MT and Marshalltown, IA

There are
1,174 mi
from Great Falls, MT to Marshalltown, IA

That's the driving distance. It would take 20 hours 54 mins to go from Great Falls, Montana to Marshalltown, Iowa.

The flight distance (direct flight from Great Falls, MT to Marshalltown, IA) is 974.57 mi.

1,174 mi = 1,888.93 kms