Miles between Oceanside, CA and Great Falls, MT

There are
1,290 mi
from Oceanside, CA to Great Falls, MT

That's the driving distance. It would take 21 hours 49 mins to go from Oceanside, California to Great Falls, Montana.

The flight distance (direct flight from Oceanside, CA to Great Falls, MT) is 1,038.03 mi.

1,290 mi = 1.61 kms