There are
1,396 mi
from Lewisville, TX to Temecula, CA
That's the driving distance. It would take 1 day to go from Lewisville, Texas to Temecula, California.
The flight distance (direct flight from Lewisville, TX to Temecula, CA) is 1,162.84 mi.
1,396 mi = 1.61 kms