There are
2,412 mi
from Lakeland, FL to Barstow, CA
That's the driving distance. It would take 1 day 19 hours to go from Lakeland, Florida to Barstow, California.
The flight distance (direct flight from Lakeland, FL to Barstow, CA) is 2,108.81 mi.
2,412 mi = 3,882.02 kms