Miles between Great Falls, MT and Sunnyvale, CA

There are
1,218 mi
from Great Falls, MT to Sunnyvale, CA

That's the driving distance. It would take 21 hours to go from Great Falls, Montana to Sunnyvale, California.

The flight distance (direct flight from Great Falls, MT to Sunnyvale, CA) is 886.87 mi.

1,218 mi = 1,960.16 kms