Miles between Rapid City, SD and Hermiston, OR

There are
1,027 mi
from Rapid City, SD to Hermiston, OR

That's the driving distance. It would take 18 hours 6 mins to go from Rapid City, South Dakota to Hermiston, Oregon.

The flight distance (direct flight from Rapid City, SD to Hermiston, OR) is 793.04 mi.

1,027 mi = 1,652.23 kms