Miles between Rapid City, SD and Great Falls, MT

There are
535 mi
from Rapid City, SD to Great Falls, MT

That's the driving distance. It would take 9 hours 57 mins to go from Rapid City, South Dakota to Great Falls, Montana.

The flight distance (direct flight from Rapid City, SD to Great Falls, MT) is 454.61 mi.

535 mi = 860.74 kms