There are
1,441 mi
from Sunnyvale, CA to Rapid City, SD
That's the driving distance. It would take 1 day 1 hour to go from Sunnyvale, California to Rapid City, South Dakota.
The flight distance (direct flight from Sunnyvale, CA to Rapid City, SD) is 1,085.05 mi.
1,441 mi = 1.61 kms