There are
2,450 mi
from Lakeland, FL to San Jacinto, CA
That's the driving distance. It would take 1 day 19 hours to go from Lakeland, Florida to San Jacinto, California.
The flight distance (direct flight from Lakeland, FL to San Jacinto, CA) is 2,102.55 mi.
2,450 mi = 3.22 kms