There are
2,508 mi
from Rosemead, CA to Lakeland, FL
That's the driving distance. It would take 1 day 20 hours to go from Rosemead, California to Lakeland, Florida.
The flight distance (direct flight from Rosemead, CA to Lakeland, FL) is 2,166.83 mi.
2,508 mi = 4,036.84 kms