There are
1,725 mi
from Lewisville, TX to Rocklin, CA
That's the driving distance. It would take 1 day 6 hours to go from Lewisville, Texas to Rocklin, California.
The flight distance (direct flight from Lewisville, TX to Rocklin, CA) is 1,408.55 mi.
1,725 mi = 1.61 kms