Miles between Great Falls, MT and Ottumwa, IA

There are
1,246 mi
from Great Falls, MT to Ottumwa, IA

That's the driving distance. It would take 21 hours 58 mins to go from Great Falls, Montana to Ottumwa, Iowa.

The flight distance (direct flight from Great Falls, MT to Ottumwa, IA) is 1,033.10 mi.

1,246 mi = 2,005.16 kms