There are
1,141 mi
from Rapid City, SD to Bothell, WA
That's the driving distance. It would take 20 hours 9 mins to go from Rapid City, South Dakota to Bothell, Washington.
The flight distance (direct flight from Rapid City, SD to Bothell, WA) is 944.07 mi.
1,141 mi = 1,835.58 kms