Miles between Great Falls, MT and Tempe, AZ

There are
1,239 mi
from Great Falls, MT to Tempe, AZ

That's the driving distance. It would take 21 hours 45 mins to go from Great Falls, Montana to Tempe, Arizona.

The flight distance (direct flight from Great Falls, MT to Tempe, AZ) is 973.04 mi.

1,239 mi = 1,994.10 kms