There are
1,718 mi
from Lewisville, TX to Larkspur, CA
That's the driving distance. It would take 1 day 6 hours to go from Lewisville, Texas to Larkspur, California.
The flight distance (direct flight from Lewisville, TX to Larkspur, CA) is 1,470.97 mi.
1,718 mi = 2,764.07 kms