There are
1,390 mi
from Lewisville, TX to Rialto, CA
That's the driving distance. It would take 23 hours 50 mins to go from Lewisville, Texas to Rialto, California.
The flight distance (direct flight from Lewisville, TX to Rialto, CA) is 1,173.28 mi.
1,390 mi = 1.61 kms