There are
1,392 mi
from Lewisville, TX to West Covina, CA
That's the driving distance. It would take 1 day to go from Lewisville, Texas to West Covina, California.
The flight distance (direct flight from Lewisville, TX to West Covina, CA) is 1,205.92 mi.
1,392 mi = 2,240.12 kms