Miles between Rapid City, SD and St Helens, OR

There are
1,236 mi
from Rapid City, SD to St Helens, OR

That's the driving distance. It would take 22 hours 14 mins to go from Rapid City, South Dakota to St Helens, Oregon.

The flight distance (direct flight from Rapid City, SD to St Helens, OR) is 962.79 mi.

1,236 mi = 1,989.13 kms