Miles between Rapid City, SD and Green River, WY

There are
495 mi
from Rapid City, SD to Green River, WY

That's the driving distance. It would take 9 hours 5 mins to go from Rapid City, South Dakota to Green River, Wyoming.

The flight distance (direct flight from Rapid City, SD to Green River, WY) is 361.78 mi.

495 mi = 796.54 kms