There are
2,574 mi
from Boynton Beach, FL to Barstow, CA
That's the driving distance. It would take 1 day 21 hours to go from Boynton Beach, Florida to Barstow, California.
The flight distance (direct flight from Boynton Beach, FL to Barstow, CA) is 2,256.09 mi.
2,574 mi = 4,141.81 kms