There are
2,800 mi
from Lakeland, FL to Pittsburg, CA
That's the driving distance. It would take 2 days 2 hours to go from Lakeland, Florida to Pittsburg, California.
The flight distance (direct flight from Lakeland, FL to Pittsburg, CA) is 2,393.74 mi.
2,800 mi = 4,505.46 kms