Miles between Great Falls, MT and Walnut Creek, CA

There are
1,170 mi
from Great Falls, MT to Walnut Creek, CA

That's the driving distance. It would take 20 hours 3 mins to go from Great Falls, Montana to Walnut Creek, California.

The flight distance (direct flight from Great Falls, MT to Walnut Creek, CA) is 857.45 mi.

1,170 mi = 1,883.09 kms