Miles between Great Falls, MT and Washington, IN

There are
1,645 mi
from Great Falls, MT to Washington, IN

That's the driving distance. It would take 1 day 5 hours to go from Great Falls, Montana to Washington, Indiana.

The flight distance (direct flight from Great Falls, MT to Washington, IN) is 1,354.57 mi.

1,645 mi = 2,647.86 kms