There are
630 mi
from Rowlett, TX to Hazelwood, MO
That's the driving distance. It would take 11 hours 48 mins to go from Rowlett, Texas to Hazelwood, Missouri.
The flight distance (direct flight from Rowlett, TX to Hazelwood, MO) is 533.32 mi.
630 mi = 1,014.56 kms