There are
2,119 mi
from Boynton Beach, FL to Rapid City, SD
That's the driving distance. It would take 1 day 13 hours to go from Boynton Beach, Florida to Rapid City, South Dakota.
The flight distance (direct flight from Boynton Beach, FL to Rapid City, SD) is 1,770.85 mi.
2,119 mi = 3.22 kms