There are
1,688 mi
from Lewisville, TX to Pittsburg, CA
That's the driving distance. It would take 1 day 6 hours to go from Lewisville, Texas to Pittsburg, California.
The flight distance (direct flight from Lewisville, TX to Pittsburg, CA) is 1,436.43 mi.
1,688 mi = 1.61 kms