There are
838 mi
from Boynton Beach, FL to Christiansburg, VA
That's the driving distance. It would take 15 hours 27 mins to go from Boynton Beach, Florida to Christiansburg, Virginia.
The flight distance (direct flight from Boynton Beach, FL to Christiansburg, VA) is 732.98 mi.
838 mi = 1,348.16 kms