There are
1,443 mi
from Rowlett, TX to Downey, CA
That's the driving distance. It would take 1 day 1 hour to go from Rowlett, Texas to Downey, California.
The flight distance (direct flight from Rowlett, TX to Downey, CA) is 1,243.63 mi.
1,443 mi = 2,321.88 kms